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3 days ago · GISAID - hCov19 Variants. As of 4 July 2024 - 1722UTC, 101 countries shared 23,837 GRA (BA.2.86+BA.2.86.*) genome sequences with unprecedented speed from sample collection to making these data publicly accessible via GISAID EpiCoV, in some cases within less than 24 hours.
4 days ago · The human coronavirus discovered in 2003, SARS-CoV, which causes severe acute respiratory syndrome (SARS), has a unique pathogenesis because it causes both upper and lower respiratory tract infections.
6 days ago · SARS-CoV-2 antigens can be detected before onset of COVID-19 symptoms (as soon as SARS-CoV-2 virus particles) with more rapid test results, but with less sensitivity than PCR tests for the virus. COVID-19 rapid antigen tests are lateral flow immunoassays that detect the presence of a specific viral antigen, which indicates current ...
Jun 17, 2024 · The SARS-related coronavirus was one of several viruses identified by the World Health Organization (WHO) in 2016 as a likely cause of a future epidemic in a new plan developed after the Ebola epidemic for urgent research and development before and during an epidemic towards diagnostic tests, vaccines and medicines.
5 days ago · This global summary of COVID-19 circulation includes percent positivity, SARS-CoV-2 variants, reported cases and deaths and national wastewater system surveillance.
Jun 18, 2024 · From May 2021 onwards, WHO began assigning simple, easy-to-say labels for key variants. Considerable progress has been made in establishing and strengthening a global system to detect signals of potential VOIs or VOCs and rapidly assess the risk posed by SARS-CoV-2 variants to public health.
Jun 19, 2024 · Controlled infection with SARS-CoV-2 of people who hadn’t previously been exposed to the virus reveals how molecular and cellular signatures of the immune response portend effective defence...
