Recall, if you dare, life in December 2020. America had just approved Covid-19 vaccines for use, but most of us wouldn’t get a shot for months. Instead, amid the second surge of coronavirus cases, ...

PCR processes are the diagnostic gold standard when it comes to identifying coronavirus infections. Unlike rapid antigen tests, they function even in the case of a low viral load and detect the ...

At the start of the SARS-CoV-2 pandemic people who felt unwell had to join long queues for lab-based PCR tests and then wait for two days to learn if they were infected with the COVID-19 virus or not.

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This decision, well within current norms for care, was nonetheless consequential: The president was forced to cancel a trip to advocate for legislation in support of the domestic semiconductor ...