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The timeline of the COVID-19 pandemic lists the articles containing the chronology and epidemiology of SARS-CoV-2, [1] the virus that causes the coronavirus disease 2019 and is responsible for the COVID-19 pandemic. The first human cases of COVID-19 occurred in Wuhan, People's Republic of China, on or about 17 November 2019. [2]
At the time, the laboratory only obtained a short partial sequence, which was rapidly shared with Vision Medicals, so that Vision Medicals could confirm that the sequence was SARS-CoV-2, i.e., roughly identical to the one they obtained 3 days before, and relatively distant to the original SARS coronavirus.
The CDC would later have to conclude after months of further experience involving more than 700,000 screenings that temperature and symptom-based entry screening was ineffective likely due to multiple factors including an overall low COVID-19 prevalence in travelers, the relatively long incubation period, illness presentation with a wide range ...
Flu symptoms may appear within one to four days of infection, while COVID-19 symptoms may appear up to 14 days after infection. COVID-19 can be contagious for longer than the flu and may include ...
According to the CDC, COVID-19 spreads more easily than the flu and can cause more severe illnesses in some people. Symptoms may also take longer to present in people with COVID-19, and they may ...
On Oct. 7, the FDA authorized the first over-the-counter home flu and COVID-19 combination test outside of emergency use authorization, which can detect SARS-CoV-2 (the virus that causes COVID-19 ...
On 11 February 2020, the WHO named the disease COVID-19 (short for coronavirus disease 2019). That same day, the International Committee on Taxonomy of Viruses (ICTV) formally announced it had named the causative virus as SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2) based upon its genetic similarity to the 2003 SARS-CoV.
Using traditional scientific modeling techniques that predict the spread of viruses, Leung projected the true number of COVID-19 infections was likely 10 times more than the official reported numbers. [232] Leung estimated that there were between 44,000 and 100,000 infections in China as of 24 January 2020.