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Has JN.1 made home COVID tests less effective? Here is what we know

Debi Johnson

As the immune-evasive coronavirus variant fuels another wave of infections, here is how to get the most out of at-home ...

UC Davis says contagious tuberculosis case identified

Debi Johnson

Computer artwork of Mycobacterium tuberculosis bacteria, the Gram- positive rod-shaped bacteria which cause the disease tuberculosis. KATERYNA KON/SCIENCE PHOTO LIBRA/Getty ...

New COVID variant JN.1 ‘better at evading our immune systems,’ CDC says

Debi Johnson

Two new immune-evasive coronavirus variants are responsible for more than half of the COVID-19 cases in the United States, contributing ...

Rise in COVID, flu and RSV prompt Bay Area health recommendations

Debi Johnson

The gathering “tripledemic” prompted a coalition of regional health officers to issue joint recommendations for safely navigating the upcoming holiday ...

CDC experts say a parasitic skin infection may be endemic in TX

Debi Johnson

A New Zealand sandfly (Austrosimulium spp) feeding on a human leg. Sandflies are a type of blackfly and feed on ...