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Tag: Nucleocapsid

A coronavirus variant with T205I and D399N mutations that affects antigen test performance

“While determining the analytical sensitivity of the Quidel Sofia SARS 24 Antigen FIA test (Sofia 2), we uncovered a high viral load specimen that repeatedly tested negative by this antigen test.  More...

May 11, 2021August 8, 2022 Coronaheadsup.com Antigen, Coronavirus, Health, Infection, Mutation, Science, Testing, Transmission
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