Rolling updates on coronavirus disease (COVID-19)

Rolling updates on coronavirus disease (COVID-19)

Updated 18 March 2020

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? Credits


? A pneumonia of unknown cause detected in Wuhan, China was first reported to the WHO Country Office in China on 31 December 2019.

? WHO is working 24/7 to analyse data, provide advice, coordinate with partners, help countries prepare, increase supplies and manage expert networks.

? The outbreak was declared a Public Health Emergency of International Concern on 30 January 2020.

? The international community has asked for US$675 million to help protect states with weaker health systems as part of its Strategic Preparedness and Response Plan.

? On 11 February 2020, WHO announced a name for the new coronavirus disease: COVID-19.

? To stay up to date, follow and on 66顺彩票app, read WHO’s daily situation reports and news releases, and watch our regular press conferences.


More than 320 000 learners enrol in online COVID-19 courses 

66顺彩票app18 March 2020

Real-time training during global emergencies is critical for effective preparedness and response. 

The OpenWHO Massive Online Open Courses for COVID-1966顺彩票app provide learning resources for health professionals, decision-makers and the public. More than 320 000 learners have already enrolled.

66顺彩票appAs the pandemic continues to evolve, new resources will be added, additional language versions will continue to be rolled out, and existing courses will be updated to best reflect the changing context.

Courses include: 



More information: 

Managing epidemics: key facts about major deadly diseases


WHO calls for urgent, aggressive actions to combat COVID-19, as cases soar in South-East Asia Region

17 March 2020

66顺彩票appThe World Health Organization today called on Member states in South-East Asia Region to urgently scale-up aggressive measures to combat COVID-19, as confirmed cases cross 480, and the disease claims eight lives.

Key Materials

Press release


#TogetherAtHome online concert series starts 

16 March 2020 

Chris Martin played a mini gig at home to kick off #TogetherAtHome, a virtual no-contact concert series that aims to promote physical distancing and taking action for global health, presented by WHO and Global Citizen. More Solidarity Sessions are planned to promote health, to show support for people who are staying at home to protect themselves and others from COVID-19, and to encourage donations to the COVID-19 Solidarity Response Fund.


A post shared by (@coldplay) on



Key materials:

COVID-19 Solidarity Response Fund



"You cannot fight a fire blindfolded." 

66顺彩票app16 March 2020

Countries should test every suspected case of COVID-19.

66顺彩票appIf people test positive, they should be isolated and the people they have been in close contact with up to 2 days before they developed symptoms should be sought out, and those people should be tested too if they show symptoms of COVID-19. 

66顺彩票appWHO also advises that all confirmed cases, even mild cases, should be isolated in health facilities, to prevent transmission and provide adequate care.

But we recognize that many countries have already exceeded their capacity to care for mild cases in dedicated health facilities.

In that situation, countries should prioritize older patients and those with underlying conditions.



Key materials:

WHO Director-General's opening remarks at the media briefing on COVID-19 - 16 March 2020




WHO Mission to Iraq covers detection and response 

15 March 2020

The mission, which comprised experts from the Eastern Mediterranean Regional Office and from WHO headquarters in Geneva, held a series of meetings with national health authorities to identify the disease detection dynamics and at-risk populations, in addition to providing guidance on strengthening response and control measures.

66顺彩票appThe mission also reviewed the Ministry’s overall readiness to deal with a potential increase in case reporting and the priority of establishing an Emergency Operation Centre to speed up action now that the disease has been announced as a global pandemic.




Key materials:




Launch of #SafeHands Challenge 

13 March 2020 

WHO launched the #SafeHands Challenge to promote the power of clean hands fo fight the coronavirus.

66顺彩票appTo support the challenge to encourage people to clean their hands with soap or alcohol-based hand rub, 66顺彩票app created a new #HandWashing emoji. 

Heads of State, footballers, singers and more have already taken part, with more people nominated to join the challenge every day. 





Europe becomes epicenter of the pandemic

13 March 2020

66顺彩票appEurope now has more reported cases and deaths than the rest of the world combined, apart from China.

More cases are now being reported every day than were reported in China at the height of its epidemic.



Key materials:

WHO Director-General's opening remarks at the media briefing on COVID-19 - 13 March 2020



Updated clinical guidance 

66顺彩票app13 March 2020



Key materials 

Interim guidance: Clinical management of severe acute respiratory infection when novel coronavirus (nCoV) infection is suspected



WHO, UN Foundation and partners launch first-of-its-kind COVID-19 Solidarity Response Fund

13 March 2020

A new coronavirus disease (COVID-19) Solidarity Response Fund will raise money from a wide range of donors to support the work of the World Health Organization (WHO) and partners to help countries respond to the COVID-19 pandemic. The fund, the first-of-its-kind, enables private individuals, corporations and institutions anywhere in the world to come together to directly contribute to global response efforts, and has been created by the United Nations Foundation and the Swiss Philanthropy Foundation, together with WHO. 



Key Materials:

The COVID-19 Solidarity Response Fund

Press release

WHO Director-General's opening remarks at the media briefing on COVID-19 - 13 March 2020



Expert mission to Iran concludes

66顺彩票app12 March 2020

A five-day expert mission to Iran with experts from WHO, GOARN partners, Robert Koch Institute in Berlin and the Chinese Center for Disease Control has concluded.

“Everybody in the country is engaged in this response. The right and timely public health measures implemented on [an] adequate scale will make a difference,” said Dr Richard Brennan, WHO Regional Emergency Director for the Eastern Mediterranean Region and mission team lead.

66顺彩票appLooking forward, Dr Brennan said more work needs to be done to protect health workers. The mission also held constructive discussions on ways to advance epidemiological data collection and analysis.



Key materials:


Azerbaijan welcomes WHO mission

12 March 2020 

66顺彩票appDuring its 5-day mission, a team of WHO experts worked with the national response committee on developing a national preparedness and response plan for COVID-19.

The Government of Azerbaijan is contributing to global efforts to address COVID-19, coordinating with neighbouring countries, and has pledged US$ 5 million to WHO’s strategic preparedness and response plan.

Key materials:




WHO characterizes COVID-19 as a pandemic

66顺彩票app11 March 2020

Speaking at the COVID-19 media briefing, the WHO Director-General said: 

"WHO has been assessing this outbreak around the clock and we are deeply concerned both by the alarming levels of spread and severity, and by the alarming levels of inaction.

We have therefore made the assessment that COVID-19 can be characterized as a pandemic.

66顺彩票appPandemic is not a word to use lightly or carelessly. It is a word that, if misused, can cause unreasonable fear, or unjustified acceptance that the fight is over, leading to unnecessary suffering and death.

Describing the situation as a pandemic does not change WHO’s assessment of the threat posed by this virus. It doesn’t change what WHO is doing, and it doesn’t change what countries should do.

We have never before seen a pandemic sparked by a coronavirus. This is the first pandemic caused by a coronavirus.

And we have never before seen a pandemic that can be controlled, at the same time."


Key materials:

WHO Director-General's opening remarks at the media briefing on COVID-19 - 11 March 2020




WHO issues schools guidance with UNICEF and IFRC

10 March 2020

66顺彩票appWHO, UNICEF and the International Federation of Red Cross and Red Crescent Societies (IFRC) outline critical considerations and practical checklists to keep schools safe, with helpful tips for parents and caregivers, as well as children and students themselves. 



Key materials 

News release

Guidance: Key Messages and Actions for COVID-19 Prevention and Control in Schools 



Mental health and COVID-19

10 March 2020

WHO is providing guidance to help people manage fear, stigma and discrimination during COVID-19.

In the #AskWHO film below, expert Aiysha Malik answers public questions about mental health and preventing stress during the outbreak. 




Key materials 

Guidance: Mental Health Considerations during COVID-19 Outbreak


“The rule of the game is: never give up.”

9 March 2020

“We are not at the mercy of this virus,” said the WHO Director-General at the 9 March media briefing.

All countries must aim to stop transmission and prevent the spread of COVID-19, whether they face no cases, sporadic cases, clusters or community transmission.

“Let hope be the antidote to fear.

Let solidarity be the antidote to blame.

66顺彩票appLet our shared humanity be the antidote to our shared threat"



Key materials:

WHO Director-General's opening remarks at the media briefing on COVID-19 - 9 March 2020



Interim guidance on critical preparedness, readiness and response actions

8 March 2020

Drawing on existing materials, this guidance describes the preparedness, readiness and response actions for four different transmission scenarios:

66顺彩票app1. No cases

2. Sporadic cases: 1 or more cases, imported or locally detected

3. Clusters of cases in time, geographic location and/or common exposure

4. Community transmission: larger outbreaks of local transmission



Key materials


Marking 100 000 cases 

7 March 2020 

Marking this sombre moment, WHO reminded all countries and communities that the spread of this virus can be significantly slowed or even reversed through the implementation of robust containment and control activities.

Every effort to contain the virus and slow the spread saves lives. These efforts give health systems and all of society much needed time to prepare, and researchers more time to identify effective treatments and develop vaccines. 

Allowing uncontrolled spread should not be a choice of any government, as it will harm not only the citizens of that country but affect other countries as well. 

We must stop, contain, control, delay and reduce the impact of this virus at every opportunity. Every person has the capacity to contribute, to protect themselves, to protect others, whether in the home, the community, the healthcare system, the workplace or the transport system. 



Key materials 





WHO publishes draft R&D blueprint draft for COVID-19

6 March 2020 

66顺彩票app"Research—implemented as policy and practice—can save lives and needs to be integrated into the response from the start."

66顺彩票appThe R&D roadmap for COVID-19 outlines research priorities in 9 key areas. These include the natural history of the virus, epidemiology, diagnostics, clinical management, ethical considerations and social sciences, as well as longer-term goals for therapeutics and vaccines. 



Key materials



Launch of Be Ready campaign 

5 March 2020 

66顺彩票appWHO launches a new social media campaign called Be Ready for COVID-19, which urges people to be safe, smart and kind.

'Be Ready' was launched because everyone can prepare for COVID-19, including individuals, governments and businesses. 

We're calling on people to Be Safe66顺彩票app by remembering tried & tested public health measures, like regular hand washing & staying at least 1 metre (3 feet) from anyone coughing or sneezing. These ordinary measures are extraordinarily effective at fighting COVID-19.

We're asking people to Be Smart66顺彩票app about COVID-19 by rejecting rumours & taking care to only share information from trusted sources. Everyone should keep informed about what is happening in their area and follow the recommendations of local authorities. 

We're reminding people to Be Kind through addressing stigma and looking out for one another - especially the most vulnerable and those in isolation. Compassion can combat #COVID19.

66顺彩票appBelow is a tweet from footballer Paul Pogba getting involved with the campaign.



Key materials:

WHO Director-General's opening remarks at the media briefing on COVID-19 - 5 March 2020



“The whole government should be involved”

5 March 2020

66顺彩票appSpeaking at the COVID-19 media briefing, the Director-General emphasized that the COVID-19 epidemic “can be pushed back, but only with a collective coordinated and comprehensive approach that engages the entire machinery of government.” 




“This is unprecedented"

4 March 2020

66顺彩票appDr Maria Van Kerkhove, WHO's technical lead for COVID-19, outlines the wealth of knowledge generated about this new disease in just eight weeks. 




Shortage of personal protective equipment endangering health workers worldwide

3 Mar 2020

WHO has shipped nearly half a million sets of personal protective equipment to 47 countries, but the global supply is rapidly depleting.

Shortages are leaving doctors, nurses and other frontline workers dangerously ill-equipped to care for COVID-19 patients, due to limited access to supplies such as gloves, medical masks, respirators, goggles, face shields, gowns, and aprons.

To meet rising global demand, WHO estimates that industry must increase manufacturing by 40 per cent.


“There’s no choice but to act now” 

2 March 2020

Speaking at the COVID-19 media briefing, the Director-General emphasized that the virus is capable of community transmission but can be contained with the right measures. 

Key materials:


Mission of WHO experts arrive in Iran

2 March 2020 

Landing in Tehran, the experts aim to identify transmission dynamics and at-risk populations, as well as provide guidance on strengthening and scaling up the response and readiness efforts. 

The mission arrived along with a shipment containing medical supplies and protective equipment to support over 15,000 health care workers and enough laboratory kits to test and diagnose nearly 100,000 people. 

The mission will build on the COVID-19 preparedness and response work already underway by WHO's country office in the Islamic Republic of Iran.

Key materials:


UN releases US$15 million for COVID-19 response 

1 March 2020

UN Humanitarian Chief Mark Lowcock released US$15 million from the Central Emergency Response Fund (CERF) to WHO and UNICEF to help fund global efforts to contain the COVID-19 virus.

66顺彩票appThis grant will help countries with fragile health systems boost their detection and response operations. It will fund essential activities including monitoring the spread of the virus, investigating cases, and the operation of national laboratories.

Key materials:

WHO-OCHA-UNICEF news release


What every individual can do to protect themselves and others 

28 February 2020

66顺彩票appIn a daily COVID-19 press briefing the WHO Director-General said that more than 20 vaccines are in development globally, and several therapeutics are in clinical trials. But we don’t need to wait for vaccines and therapeutics. There are things every individual can do to protect themselves and others today.

Key materials

What every country should be asking itself 

27 February 2020

Discussing preparedness for COVID-19, the WHO Director-General listed questions every health minister should be able to answer. Here are a selection: 

  • Are we ready for the first case? 
  • Do we have enough medical oxygen, ventilators and other vital equipment?
  • How will we know if there are cases in other areas of the country?
  • Do our health workers have the training and equipment they need to stay safe?
  • Do we have the right measures at airports and border crossings to test people who are sick?
  • Do our labs have the right chemicals that allow them to test samples?
  • Are we ready to treat patients with severe or critical disease?
  • Do our hospitals and clinics have the right procedures to prevent and control infections?
  • Do our people have the right information? Do they know what the disease looks like?

Key materials:


Get your workplace ready for COVID-19 

26 February 2020

66顺彩票appWHO has issued new COVID-19 guidance for businesses and employers, which outlines simple ways to prevent the spread of the virus, things to consider when employees travel and how to get your business ready in case COVID-19 arrives in your community. 

Key materials:

Workplace guidance


#AskWHO about COVID-19 

26 February 2020

Watch Dr Maria Van Kerkhove, WHO's technical lead on the new coronavirus, answer questions from the public about COVID-19. She begins by explaining how the virus spreads and how to protect yourself from COVID-19. Dr Van Kerkhove was a member of the recent joint mission of experts to China to learn more about the outbreak.

Key materials:

WHO advice on how to protect yourself


Do your part to stop stigma and combat COVID-19

25 February 2020

The WHO Director-General has repeatedly called for "solidarity, not stigma" to address COVID-19. 

WHO has worked with UNICEF and the International Federation of Red Cross and Red Crescent Societies on a guide to preventing and addressing the social stigma associated with the disease. 

It's vital to fight stigma because it can drive people to hide the illness, not seek health care immediately and discourage them from adopting healthy behaviours. 

66顺彩票appThis guide includes some tips and messages, as well as dos and don'ts on language when talking about COVID-19. 

Key materials:


WHO-China joint mission shares findings and recommendations

25 February 2020

The team of 25 international and Chinese experts travelled to several different provinces, with a small group going to Wuhan, the epicenter of the outbreak.

Among the team's findings was that the epidemic peaked and plateaued between the 23rd of January and the 2nd of February, and has been declining steadily since then. The team also estimates that the measures taken in China have averted a significant number of cases.

In a press conference in Geneva on Tuesday 25 February, Dr Bruce Aylward, the mission's lead, reported back on what China has done, its impact and implications. 

Key materials:


WHO-led team of experts travel to Italy

24 February 2020

A team of experts from WHO and the European Centre for Disease Prevention and Control (ECDC) will focus on: understanding how events developed, learning from the Italian experience and supporting control and prevention efforts by the authorities.

To limit further human to human transmission, WHO experts will provide support in the areas of clinical management, infection prevention and control, surveillance and risk communication.

Key materials:


UN Secretary-General visits WHO

24 February 2020

66顺彩票appUN Secretary-General António Guterres met with the WHO Director-General and other WHO leaders, receiving a briefing on COVID-19, Ebola and polio. He expressed great admiration for health workers, including in China, who are working tirelessly to save lives. The UN Secretary-General also stressed that there is no space for stigma and discrimination and said we must be guided by science and human rights-based interventions.


WHO leaders address AU and Africa CDC Emergency Meeting

22 February 2020

WHO’s Director-General and Regional Director for Africa addressed an emergency meeting of ministers of health to agree on a continental strategy for Africa to strengthen preparedness and responses to the COVID-19 outbreak.


11 000 African health care workers have been trained on COVID-19

22 February 2020

During the past month about 11 000 African health workers have been trained using WHO’s online courses on COVID-19, which are available free of charge in English, French & other languages.


Special envoys on COVID-19 selected

21 February 2020

The WHO Director-General appointed six special envoys on COVID-19, to provide strategic advice and high-level political advocacy and engagement in different parts of the world.

The six envoys are:

  • Professor Dr Maha El Rabbat, former Minister of Health of Egypt;
  • Dr David Nabarro, former special adviser to the United Nations Secretary-General on the 2030 Agenda for Sustainable Development and Climate Change;
  • Dr John Nkengasong, Director of the African Centres for Disease Control and Prevention;
  • Dr Mirta Roses, former Director of the WHO Region of the Americas;
  • Dr Shin Young-soo, former Regional Director of the WHO Region of the Western Pacific;
  • Professor Samba Sow, Director-General of the Center for Vaccine Development in Mali.

Key materials:

WHO Director-General's opening remarks at the 21 February 2020 media briefing


WHO Director-General warns that the window of opportunity is “narrowing”

21 February 2020

66顺彩票appDr Tedros Adhanom Ghebreyesus emphasised that the window of opportunity to contain the outbreak is “narrowing” and that the international community needs to act quickly, including through financing.


WHO and countries are engaged in massive preparedness activities

18 February 2020

WHO has shipped supplies of personal protective equipment to 21 countries.

By the end of this week, 40 countries in Africa and 29 in the Americas are due to have the ability to detect COVID-19.

Key materials:


WHO issues guidance on mass gathering and taking care of ill travellers

66顺彩票app17 February 2020

Based on lessons from H1N1 and Ebola, WHO has outlined planning considerations for organizers of mass gatherings, in light of the COVID-19 outbreak. It has also issued advice on how to detect and take care of ill travellers, who are suspected COVID-19 cases.

Interim guidance: 


WHO Director-General calls for solidarity at Munich Security Conference

15 February 2020

"We must be guided by solidarity, not stigma. The greatest enemy we face is not the virus itself; it’s the stigma that turns us against each other. We must stop stigma and hate."

WHO Director-General Dr Tedros Adhanom Ghebreyesus called on the international community to use the window of opportunity to prepare for COVID-19 at the Munich Security Conference, a leading global forum on preeminent crises and future security challenges. 

Key materials: 


UN activates WHO-led Crisis Management Team

12 February 2020

The Crisis Management Team (CMT) mechanism brings together WHO, , , , , , , the and several UN Secretariat departments.

66顺彩票appThe CMT will be managed by the Executive Director of WHO Health Emergencies Programme, Dr Mike Ryan. It will help WHO focus on the health response while the other agencies will bring their expertise to bear on the wider social, economic and developmental implications of the outbreak.

Key materials:

Situation report - 23


Research and innovation forum sets priorities for COVID-19 research

12 February 2020 

More than 400 experts and funders met at WHO’s Geneva HQ to accelerate research to stop the COVID-19 outbreak. Featuring updates from the frontlines of the response in China, the meeting addressed issues such as: developing easy-to-apply diagnostics, accelerating existing vaccine candidates and preventing infection.

Key materials: 


Novel coronavirus disease named COVID-19

11 February 2020

Guidelines mandated that the name of the disease could not refer to a geographical location, an animal, an individual or group of people. It also needed to relate to the disease and be pronounceable. This choice will help guard against the use of other names that might be inaccurate or stigmatizing.


Global community asks for US$675 million to help protect vulnerable countries from outbreak

5 February 2020

With the 2019-nCoV outbreak set to test the resilience of countries, the US$675 million Strategic Preparedness and Response Plan (SPRP) aims to protect states with weaker health systems.

Covering areas ranging from international coordination to country readiness to research and innovation, the SPRP aims to limit transmission, provide early care, communicate key information and minimize social and economic impacts.

Key materials:


Public Health Emergency of International Concern declared

30 January 2020

66顺彩票appWHO Director-General Dr Tedros Adhanom Ghebreyesus declared the 2019-nCoV outbreak a Public Health Emergency of International Concern, following a second meeting of the Emergency Committee convened under the International Health Regulations.

Acknowledging that cases have been reported in five WHO regions in one month, the Committee noted that early detection, isolating and treating cases, contact tracing and social distancing measures – in line with the level of risk – can all work to interrupt virus spread. 


Key materials: 


WHO and China leaders meet in Beijing to discuss coronavirus outbreak

28 January 2020

WHO Director-General Dr Tedros Adhanom Ghebreyesus met with China's President Xi Jinping in Beijing about the coronavirus outbreak.

Dr Tedros was joined by WHO Regional Director Dr Takeshi Kasai and Executive Director of the WHO Health Emergencies Programme Dr Mike Ryan, and also met State Councilor and Minister of Foreign Affairs Wang Yi and Minister of Health Ma Xiaowei.

The discussions focused on continued collaboration on containment measures in Wuhan, public health measures in other cities and provinces, conducting further studies on the severity and transmissibility of the virus, continuing to share data, and for China to share biological material with WHO. These measures will advance scientific understanding of the virus and contribute to the development of medical countermeasures such as vaccines and treatments.

The two sides agreed that WHO would send international experts to visit China as soon as possible to work with Chinese counterparts on increasing understanding of the outbreak to guide global response efforts.

Key materials:

News release


Launch of free online introductory course on the novel coronavirus

25 January 2020

Covering topics such as why the novel coronavirus is a global threat to human health and how to effectively engage communities in the response, this free online course gives an introduction to the novel coronavirus. It is available for free and online in English, French, Spanish and Chinese.

from on

Key materials:

66顺彩票appOpenWHO course:


First meeting of Emergency Committee regarding the novel coronavirus outbreak

23 January 2020

On 22-23 February, the WHO Director General convened the Emergency Committee to consider the outbreak of the novel coronavirus in China, with cases also reported in the Republic of Korea, Japan, Thailand and Singapore.

Several Committee members considered it still too early to declare a Public Health Emergency of International Concern (PHEIC), given its restrictive and binary nature. Among other recommendations, the Committee advised that it be recalled in approximately 10 days.

Key materials:

Statement on the first meeting of the International Health Regulations (2005) Emergency Committee


WHO makes field visit to Wuhan, China

21 January 2020

The delegation observed and discussed active surveillance processes, temperature screening at Wuhan Tianhe airport, laboratory facilities, infection prevention and control measures at Zhongnan hospital and its associated fever clinics, and the deployment of a test kit to detect the virus.

The delegation also discussed public communication efforts and China's plan to expand the case definition for the novel coronavirus, which will build a clearer picture of the spectrum of severity of the virus.

At the end of the visit, the Chinese Government released the primers and probes used in the test kit for the novel coronavirus to help other countries detect it. Chinese experts also shared a range of protocols that will be used in developing international guidelines, including case definitions, clinical management protocols and infection control.

Key materials:



First case of novel coronavirus outside of China confirmed

13 January 2020

Officials confirmed a case of the novel coronavirus in Thailand. It was not unexpected that cases of the novel coronavirus would emerge outside of China and reinforces why WHO calls for active monitoring and preparedness in other countries.

Key materials:

News release


China makes genome sequencing of novel coronavirus publicly available

12 January 2020

66顺彩票appChina shares the genetic sequence of the novel coronavirus, which will be very important for other countries as they develop specific diagnostic kits.

Key materials:

Disease outbreak news item


WHO issues its first guidance on the novel coronavirus

10 January 2020

Developed with reference to other coronaviruses, such as SARS and MERS, WHO issued a tool for countries to check their ability to detect and respond to a novel coronavirus.

This information is to help with identifying main gaps, assessing risks and planning for additional investigations, response and control actions.

Key materials:

National capacities review tool


WHO reports on pneumonia of unknown cause in China

5 January 2020

WHO published its risk assessment and advice and reported on the status of patients and the public health response by national authorities to the cluster of pneumonia cases in Wuhan. 

Key materials:

Disease outbreak news item


WHO responding to a cluster of pneumonia cases in Wuhan

4 January 2020

66顺彩票appWHO announced it would work across its 3 levels – country office, regional office and HQ – to track the situation and share details as they emerged. 


Pneumonia of unknown cause reported to WHO China Office

31 December 2019

At the close of 2019, the WHO China Country Office was informed of a pneumonia of unknown cause, detected in the city of Wuhan in Hubei province, China. According to the authorities, some patients were operating dealers or vendors in the Huanan Seafood market.

Staying in close contact with national authorities, WHO began monitoring the situation and requested further information on the laboratory tests performed and the different diagnoses considered.

Key materials:

Disease outbreak news item
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