Nose swabbing alone for rapid COVID-19 tests might not pick up Omicron infections in their early stages, a small study found.ADRIAN DENNIS/AFP/Getty Images

Nose swabs for rapid COVID-19 tests didn’t pick up Omicron in the early stage of infection, a small study found.

The study, which isn’t published, suggests that with Omicron, virus particles peak faster in the throat than in the nose.

Experts don’t agree on whether you should always swab your throat as well as your nose.

Rapid COVID-19 tests that use nose swabs alone might not pick up Omicron in the early days of infection, a new study suggests — but experts don’t agree on whether you should also swab your throat.

A small study from a group of US researchers, published Tuesday, found that rapid tests with nasal swabs didn’t detect Omicron for one to two days after initial infection, which was confirmed with a lab test. Four participants spread infection

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