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The first human cases of COVID-19 occurred in Wuhan, People's Republic of China, on or about 17 November 2019. [2] The first confirmed human case in the United States was on 19 January 2020. The World Health Organization declared the COVID-19 outbreak a Public Health Emergency of International Concern (PHEIC) on 30 January 2020, and first ...
The history of coronaviruses is an account of the discovery of the diseases caused by coronaviruses and the diseases they cause. It starts with the first report of a new type of upper-respiratory tract disease among chickens in the U.S. state of North Dakota, in 1931.
28–29 February: The World Health Organization raises its assessment of the global risk from the ongoing outbreak of respiratory disease caused by a novel coronavirus to "very high"; there have been more than 85,000 confirmed cases, including more than 2900 deaths, since the outbreak began in December 2019.
The COVID-19 vaccines are widely credited for their role in reducing the severity and death caused by COVID-19. [ 128 ] [ 129 ] As of March 2023, more than 5.5 billion people had received one or more doses [ 130 ] (11.8 billion in total) in over 197 countries.
Several Southeast Asian countries including Malaysia and Singapore have reported a surge in COVID-19 cases. [339] The spread of the JN.1 Omicron variant has led to a surge of COVID-19 cases in New Zealand, resulting in 400 hospitalisations per week and 25 deaths. [340]
The message on pneumonia of unknown etiology was picked up by Chinese news agencies, including the state television CCTV, [30] local news agencies (such as Hubei Daily [31]), and social media (such as the Weibo account of CCTV [32] People's Daily) said the exact cause remained unclear, and it would be premature to speculate. [33]
Map of school closures around the world, red represents where schools were entirely closed at some point in the pandemic and orange where they were partially closed Social impact of the COVID-19 pandemic; COVID-19 pandemic baby bust; Impact of the COVID-19 pandemic on education; Human rights issues related to the COVID-19 pandemic
[235] [236] [237] Health officials have confirmed the fifth case of COVID-19 in Australia, and have suspected an additional five. [238] [239] The Sri Lankan Health Ministry confirms its first case of COVID-19, a 43-year-old Chinese woman. [240] Cambodia confirms its first case of the virus, a Chinese man who came with his family to ...