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The COVID19 pandemic, also known as the coronavirus pandemic, is an ongoing pandemic of coronavirus disease 2019 (COVID19) caused by severe acute respiratory syndrome coronavirus 2 (SARSCoV2). It was first identified in December 2019 in Wuhan, China.The World Health Organization declared the outbreak a Public Health Emergency of International Concern in January 2020 and a …COVID19 testing involves analyzing samples to assess the current or past presence of SARSCoV2.The two main branches detect either the presence of the virus or of antibodies produced in response to infection. Tests for viral presence are used to diagnose individual cases and to allow public health authorities to trace and contain outbreaks.
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Saturday, January 9, 2021