For Coronavirus Testing, the Nose May Not Always Be Best

The complications Saliva also has trade-offs. While the virus appears to build up in saliva early, the nose may be a better place to detect it later in the course of infection. Researchers at the California Institute of Technology found that while the virus often spiked first in saliva, it ultimately rose to higher levels […]

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Emerging Data Raise Questions About Antigen Tests and Nasal Swabs

A small, new real-world study suggests that two widely used at-home antigen tests, the Abbott BinaxNOW and Quidel QuickVue, may fail to detect some Omicron infections even when people are carrying high levels of the coronavirus. The study, which has not yet been peer-reviewed, focused on 30 people infected with the virus at five workplaces […]

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