Mind the gap: Corona antibody tests miss the middle

World

Mind the gap: Corona antibody tests miss the middle

A review of what it means to test positive or negative is in order, research suggests

Jennifer Rigby

Antibody tests may miss large numbers of people who contracted Covid-19 because they do not work for people with a mild infection, research from Oxford University suggests.

A study of more than 9,000 healthcare workers suggested significant numbers of people tested negative despite probably having had the virus.

The work has major implications for health policy, and could mean reviewing where the threshold between negative and positive results lies...

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