Social behavior

As COVID cases rise, rapid tests are taking longer to detect infection As COVID cases rise over the winter, health experts are finding that it’s taking longer for people using rapid tests to get a positive result after symptoms appear. Cameron Lallana NBC Bay Area

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The problem is: people who initially test negative and then don’t test later may be unknowingly spreading the virus.

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After winter holidays, respiratory virus activity continues to build across the US | CNN The first look at trends following most of the winter holidays shows that seasonal virus activity remains elevated and continues to rise across the United States, according to data from the US Centers for Disease Control and Prevention. As infections and hospitalizations mount, the CDC continues to emphasize the importance of vaccination — and the value of treatment to avoid severe disease. Deidre McPhillips CNN

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Why fears over a ‘tripledemic’ are surging Cases of three major respiratory viruses — the flu, COVID-19 and RSV — are surging in the U.S., pushing the country toward a feared “tripledemic” during its first post-pandemic respiratory viral se… colinmeyn The Hill

Cases of three major respiratory viruses — the flu, COVID-19 and RSV — are surging in the U.S., pushing the country toward a feared “tripledemic” during its first post-pandemic respiratory viral season. ...