outbreak of coronavirus disease 2019 originating from wuhan, china
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2019–20 coronavirus outbreak
animated map of confirmed covid-19 cases from 12 january to 20 february 2020
coronavirus disease 2019 (covid-19)
severe acute respiratory syndrome coronavirus 2 (sars-cov-2)
1 december 2019
wuhan, hubei, china
‡suspected cases have not been confirmed as being due to this strain by laboratory tests, although some other strains may have been ruled out.
an ongoing epidemic of coronavirus disease 2019 (covid-19) caused by sars-cov-2 started in december 2019. it was first identified in wuhan, capital of hubei province, china. it was originally a zoonosis, crossing over to humans from an animal, but subsequently spreading between people. the time between exposure and disease onset is typically 2 to 14 days. symptoms may include fever, cough, and shortness of breath. complications may include pneumonia and acute respiratory distress syndrome. there is no vaccine or specific antiviral treatment, with efforts typically aiming at managing symptoms and supportive therapy.hand washing is recommended to prevent spread of the disease. anyone who is suspected of carrying the virus is advised to monitor their health for two weeks, wear a mask, and seek medical advice by calling a doctor before visiting a clinic.
as of 21 february 2020, 77,250 cases have been confirmed, including in all provinces of china and more than two dozen other countries. of these, 12,065 cases are serious. in china, the daily increase in new cases peaked between 23 and 27 january. there have been 2,250 deaths attributable to the disease, including 11 outside mainland china, surpassing that of the 2003 sars outbreak with 744 deaths worldwide, including 2 outside mainland china.
the outbreak has been declared a public health emergency of international concern (pheic) by the world health organization (who). health authorities have been working to contain the spread of the disease since its discovery. china has introduced travel restrictions, quarantines, and outdoor restrictions—requiring families to stay at home—affecting over 170 million people. a number of countries have issued warnings against travel to wuhan, hubei, or china generally. airports and train stations have implemented body temperature checks, health declarations, and information signage in an attempt to identify carriers of the virus.
amongst the wider consequences of the outbreak are concerns about potential economic instability, the cancellation of events expected to be attended by people travelling from areas with high risk of contagion, and the firing of several local leaders of the chinese communist party for their poor response to the outbreak. outbreak-related incidents of xenophobia and racism against people of chinese and east asian descent have been reported in several countries.misinformation has spread about the coronavirus, primarily online, which the who described as an "infodemic" on 2 february 2020.
As of 21 February 2020, 77,250 cases have been confirmed, including in all provinces of China and more than two dozen other countries. Of these, 12,065 cases are serious. In China, the daily increase in new cases peaked between 23 and 27 January. There have been 2,250 deaths attributable to the disease, including 11 outside mainland China, surpassing that of the 2003 SARS outbreak with 744 deaths worldwide, including 2 outside mainland China.