搜尋結果
According to preliminary burden estimates for the 2019–2020 flu season (October 1, 2019 through April 4, 2020) there were between 39 and 56 million flu cases; 18–26 million doctor visits; 410,000 to 740,000 hospitalizations, and between 24,000 and 62,000
The COVID-19 pandemic (also known as the coronavirus 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. It spread to other areas of Asia, and then worldwide in early 2020.
The first human case in the United States was on 21 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 referred to it as a pandemic on 11 March 2020.
The number of cases of COVID-19 started to rise in March 2020 and many educational institutions and universities underwent closure. Most countries decided to temporarily close the educational institutions in order to reduce the spread of COVID-19.
The following is a timeline of the COVID-19 pandemic in the United States during 2020. [1] Background. By late November 2019, coronavirus disease 2019 had broken out in Wuhan, China. [2]
The 2020 Summer Paralympics (Japanese: 東京2020パラリンピック競技大会, Hepburn: Tōkyō Nizeronizero Pararinpikku Kyōgi Taikai), branded as the Tokyo 2020 Paralympic Games, were an international multi-sport parasports event held from 24 August to 5 September 2021 in Tokyo, Japan.
The 2020 Atlantic hurricane season is the most active Atlantic hurricane season on record, in terms of number of systems. It featured a total of 31 tropical or subtropical cyclones , with all but one cyclone becoming a named storm .
