As we mark 100 days since the first case of what we now call #COVID19 now was notified to WHO, here is the timeline of key events and efforts taken to stop the #coronavirus from spreading.
31 Dec 2019: #China reported a cluster of cases of pneumonia in Wuhan, Hubei Province.

1 Jan 2020: WHO activates an Incident Management Support Team at HQ, regional & country level, putting the organization on an emergency footing for dealing with the outbreak.

#COVID19
4 Jan 2020: WHO reports on social media a cluster of pneumonia cases – with no deaths – in Wuhan, Hubei province, 🇨🇳. #COVID19 #coronavirus

https://twitter.com/WHO/status/1213523866703814656s=20
5 Jan 2020: WHO publishes first Disease Outbreak News on the new virus. This is a flagship technical publication to the scientific and public health community as well as global media. #COVID19 #coronavirus https://twitter.com/WHO/status/1213795226072109058?s=20
10 Jan 2020: WHO issues a comprehensive package of technical guidance with advice to all countries on how to detect, test & manage potential cases, based on what was known about the virus at the time.
#COVID19 #coronavirus https://twitter.com/WHO/status/1215916433827356672?s=20
10 Jan 2020: Evidence at the time suggests “no or limited human-to-human transmission.”

Based on experience with SARS & MERS & known modes of transmission of respiratory viruses, infection & prevention control guidance for #healthworkers is published. https://twitter.com/WHO/status/1215973422716592128?s=20
12 Jan 2020: #China shares the genetic sequence of #COVID19. #coronavirus https://twitter.com/WHO/status/1216108498188230657?s=20
13 Jan 2020: Officials confirm case of #COVID19 in #Thailand, the first recorded case outside 🇨🇳. #coronavirus https://twitter.com/WHO/status/1217151178884222976?s=20
14 Jan 2020: Dr @mvankerkhove notes in a press briefing there may have been limited human-to-human transmission of the #coronavirus (in the 41 confirmed cases), mainly through family members & that there was a risk of a possible wider outbreak. https://twitter.com/UNGeneva/status/1217146107957932032?s=20
20-21 Jan 2020: WHO experts from #China and @WHOWPRO offices conducted a brief field visit to Wuhan.
22 Jan 2020: WHO mission to #China issues a statement saying there is evidence of human-to-human transmission in Wuhan but more investigation is needed to understand the full extent of transmission. #COVID19 #coronavirus https://twitter.com/WHO/status/1220078257275654145?s=20
22- 23 Jan 2020: @DrTedros convenes an Emergency Committee under the International Health Regulations to assess whether the #COVID19 outbreak constitutes a public health emergency of international concern. #coronavirus https://twitter.com/WHO/status/1220410701354807297?s=20
22- 23 Jan 2020: The committee, consisting of independent, international experts, is unable to reach a consensus based on the evidence available at the time. They ask to be reconvened within 10 days after receiving more information. #COVID19 #coronavirus https://twitter.com/WHO/status/1220411729412227072?s=20
28 Jan 2020: A senior WHO delegation led by @DrTedros travels to Beijing to meet #China’s leadership, learn more about China’s response, and to offer any technical assistance. https://twitter.com/WHO/status/1222199153473806341?s=20
While in Beijing, 🇨🇳, @DrTedros agrees with Chinese government leaders that an international team of leading scientists will travel to #China to better understand the context, the overall response, and exchange information and experience. https://twitter.com/WHO/status/1222202603154608129?s=20
30 Jan 2020: @DrTedros declares #COVID19 a Public Health Emergency of International Concern – WHO’s highest level of alarm – following a second meeting of the Emergency Committee convened under the International Health Regulations. #coronavirus https://twitter.com/WHO/status/1222968733829865477?s=20
Acknowledging that #COVID19 cases have been reported in 5 WHO regions in one month, the Committee notes that early detection, isolation & care, contact tracing & social distancing measures – in line with the level of risk – can all work to interrupt #coronavirus spread.
5 Feb 2020: Global community asks for US$675 million to help protect vulnerable countries from #COVID19 outbreak. #coronavirus https://twitter.com/WHO/status/1225100893248458754?s=20
11-12 Feb 2020: WHO convenes a Research & Innovation Forum on #COVID19, attended by 400+ experts & funders from around the world. #coronavirus https://twitter.com/WHO/status/1227662393989267457?s=20
12 Feb 2020: @UN activates WHO-led Crisis Management Team bringing together WHO, @UNOCHA, @UNmigration, @UNICEF, @icao, @WFP, @FAO, the @WorldBank and several UN Secretariat departments.
21 Feb 2020: @DrTedros appoints six special envoys on COVID-19, to provide strategic advice and high-level political advocacy and engagement in different parts of the world. http://bit.ly/39U2F6C 
16-24 Feb 2020: The WHO- #China Joint mission, including experts from 🇨🇦🇨🇳🇩🇪🇯🇵🇰🇷🇳🇬🇷🇺🇸🇬🇺🇸 spend time in Beijing & also travelled to Wuhan & two other cities. They speak with health officials, scientists & #healthworkers (while maintaining physical distancing). #COVID19 #coronavirus
24 Feb 2020: A team of experts from WHO and the @ECDC_EU travelled to #Italy to understand how #COVID19 developed there, learning from the Italian experience and supporting control and prevention efforts by the authorities. #coronavirus https://twitter.com/hans_kluge/status/1231661738984181763
2 Mar 2020: Mission of WHO experts arrives in #Iran, aiming to identify #COVID19 transmission dynamics and at-risk populations, as well as provide guidance on strengthening and scaling up the response and readiness efforts. #coronavirus https://twitter.com/WHOEMRO/status/1234501533473087490
5 Mar 2020: WHO launches a social media campaign called Be Ready for #COVID19, urging people to be safe, smart and kind. #coronavirus https://twitter.com/WHO/status/1235531688501030913?s=20
8 Mar 2020: WHO publishes Interim guidance on critical preparedness, readiness and response actions for 4 different #COVID19 transmission scenarios:

-No cases

-Sporadic cases

-Clusters of cases

-Community transmission

#coronavirus https://twitter.com/WHO/status/1236353076585529347
11 March 2020: WHO characterizes #COVID19 as a pandemic. 90% of cases are still in just four countries. 81 countries have not reported any cases, and 57 countries have reported 10 cases or less. #coronavirus https://twitter.com/WHO/status/1237777021742338049
12 Mar 2020: During a 5-day mission to #Azerbaijan, a team of WHO experts works with the national response committee on developing a national preparedness and response plan for #COVID19. #coronavirus
12 Mar 2020: #COVID19 expert mission to #Iran concludes https://twitter.com/WHOEMRO/status/1237492472147836933
13 Mar 2020: WHO, @unfoundation and partners launch first-of-its-kind #COVID19 Solidarity Response Fund: http://bit.ly/COVID19Fund  https://twitter.com/WHO/status/1238509396990341120?s=20
13 Mar 2020: WHO launches the #SafeHands Challenge to promote the power of clean hands to fight the #coronavirus. https://twitter.com/i/events/1239907497722462208?s=13
15 Mar 2020: WHO #COVID19 Mission to #Iraq covers detection and response. #coronavirus https://twitter.com/WHOIraq/status/1238174873425514499?s=20
16 Mar 2020: #TogetherAtHome online concert series begins, to promote physical distancing and taking action for global health, presented by WHO and @GlblCtzn. https://twitter.com/coldplay/status/1239698934790053890?s=20
17 Mar 2020: New guidance published on people affected by humanitarian crises during #COVID19. #coronavirus https://twitter.com/WHO/status/1240968371484622848
18 Mar 2020: WHO and partners launch SOLIDARITY trial to generate robust data from around the world to find the most effective treatments for #COVID19.

http://bit.ly/2Ulg5Tj  #coronavirus
20 Mar 2020: WHO Health Alert for #coronavirus launches on @WhatsApp. #COVID19 https://twitter.com/WHO/status/1241262991997370369?s=20
23 Mar 2020: WHO and @FIFAcom team up on campaign to kick out #coronavirus. #COVID19 https://twitter.com/DrTedros/status/1242139427675217921
25 Mar 2020: @UN launches #COVID19 Global Humanitarian Response Plan to Invest In Humanity#action=share
25 Mar 2020: #COVID19 Mission to #Egypt concludes

With support from WHO and other partners, Egypt now has the capacity to conduct up to 200,000 tests. https://twitter.com/WHOEMRO/status/1243469084995530752
26 Mar 2020: @DrTedros addresses Extraordinary Virtual @g20org Leaders’ Summit on #COVID19, calling on G20 leaders to fight, unite, and ignite against the #coronavirus: https://twitter.com/DrTedros/status/1243232696782000128
30 Mar 2020: WHO publishes updated operational planning guidelines to help countries balance the demands of responding to #COVID19 while maintaining essential health service delivery, protecting #healthworkers & mitigating the risk of system collapse. https://twitter.com/WHO/status/1244927281111408647
31 Mar 2020: WHO launches #coronavirus chatbot with @Viber https://twitter.com/WHO/status/1245430603228602371
2 April 2020: WHO is provides advice to help people be #HealthyAtHome , with tips on staying physically active, looking after our mental health, quitting tobacco and healthy parenting. We invite everyone to share their ways of being healthy at home: https://twitter.com/WHO/status/1245757324519563266
3 April 2020: IMF and WHO make joint call to protect lives & livelihoods https://twitter.com/WHO/status/1246109919150923776?s=20
6 April 2020: WHO updates advice on the use of masks during #COVID19 https://twitter.com/WHO/status/1247628358265057280?s=20
7 April 2020: #WorldHealthDay highlights the critical role played by nurses and midwives, who are at the forefront of the #COVID19 response globally. https://twitter.com/WHO/status/1247283490518958082
To alleviate suffering & save lives, WHO is:

-Supporting countries to prepare & respond

-Providing accurate information & fight the infodemic

-Ensuring supplies of medical equipment for #healthworkers

-Training & mobilizing health workers

-Accelerating R&D

#COVID19
So far WHO has:
-shipped 2M individual items of protective gear to 75 countries that need it most
-shipped 1.5M laboratory tests to more than 126 countries
-developed 6 online courses in 43 languages to train #healthworkers, that reaching almost 1.2M enrolments
#COVID19
"Our singular focus is on working to serve all people to save lives and stop the #COVID19 pandemic – stop this dangerous enemy"- @DrTedros #coronavirus https://bit.ly/2UVFDHP 
You can follow @WHO.
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