Search results with tag "Fact sheet covid 19 disease"

FACT SHEET COVID-19 disease (SARS-CoV-2 virus)

97% of PCR tests in England which test negative on the S-gene target and positive on other targets were due to the 501Y.V1 variant. S gene drop-out has therefore been used as a proxy for 501Y.V1 (21). Analysis of data in the UK, as of January …

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