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Zambia reported its first 2 cases of COVID-19 on 18 March. The patients were a couple that had travelled to France on holiday. [201] A third case was recorded on 22 March. The patient was a man who had travelled to Pakistan. [202] On 25 March, President Edgar Lungu confirmed a total of 12 cases.
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 ...
In February 2021, after conducting part of their study, the WHO stated that the likely origin of COVID-19 was a zoonotic event from a virus circulating in bats, likely through another animal carrier, and that the time of transmission to humans was likely towards the end of 2019.
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Prior to the emergence of SARS-CoV-2 as a pathogen infecting humans, there had been two previous zoonosis-based coronavirus epidemics, those caused by SARS-CoV-1 and MERS-CoV. [ 18 ] The first known infections from SARS‑CoV‑2 were discovered in Wuhan, China. [ 80 ]
The Africa Centres for Disease Control and Prevention, World Health Organization and COVID-19 Africa Open Data Project [271] have collected and reported continent-wide data on the number of cases, recoveries and deaths. The COVID-19 Africa Open Data Project provides additional data on healthcare workers infected, health services, urgent needs ...
WHO announces that "Of 899,935 Covid-19 test samples sequenced and uploaded to the global Covid database in the last 60 days, 897,886 (99.8%) were confirmed to be Delta, while 713 (0.1%) were Omicron." Cases in South Africa rise by 110% in one week. [90] Cuba reports its first case, in a person who had traveled from Mozambique. [91]
COVID-19 is expected to circulate indefinitely, but as of 2024, experts were uncertain as to whether it was still a pandemic or had become endemic. [2] [3] Pandemics and their ends are not well-defined, and whether or not one has ended differs according to the definition used. [2] [4]