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The World Health Organization is informed of cases of pneumonia with an unknown cause, detected in Wuhan. This later turned out to be COVID-19, the cause of the COVID-19 pandemic.
Related Wikipedia articles
World Health Organization
Specialized agency of the United Nations
The World Health Organization (WHO) is a specialized agency of the United Nations which coordinates responses to international public health issues and emergencies. It is headquartered in Geneva, Switzerland, and has 6 regional offices and 150 field offices worldwide. Only…Source: Wikipedia (CC BY-SA)
Wuhan
Capital of Hubei, China
Wuhan is the capital of Hubei, China. With a population of over eleven million, it is the most populous city in Hubei and the eighth-most-populous city in China. It is also one of China's nine national central cities.Source: Wikipedia (CC BY-SA)
December 31
Day of the year
December 31 is the 365th day of the year in the Gregorian calendar. It is known by a collection of names including: Saint Sylvester's Day, New Year's Eve or Old Year's Day/Night, as the following day is New Year's Day. It is the last day of the year; the following day is January…Source: Wikipedia (CC BY-SA)
COVID-19
Contagious disease caused by SARS-CoV-2
Coronavirus disease 2019 (COVID-19) is a contagious disease caused by the coronavirus SARS-CoV-2. In January 2020, the disease spread worldwide, resulting in the COVID-19 pandemic.Source: Wikipedia (CC BY-SA)
COVID-19 pandemic
Pandemic caused by SARS-CoV-2
The COVID-19 pandemic, caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), began with an outbreak of COVID-19 in Wuhan, China, in December 2019. Soon after, it spread to other areas of Asia, and then worldwide in early 2020. The World Health Organization…Source: Wikipedia (CC BY-SA)