"As these viruses continue to evolve, public health officials watch carefully to see whether new strains will be more easily ...

The timing of symptom onset depends on lots of factors, including the amount of virus to which someone was exposed, Hotez says. Their level of pre-existing immunity may also affect the likelihood or ...

Ever since Mike Hall’s wife was infected with COVID-19 in June 2022, their lives have never been the same. Hall’s wife has ...

The first known meta-analysis of how SARS-CoV-2 variant type and time since infection influence long-COVID symptoms ties Omicron to brain fog and paresthesia (numbness and tingling), while earlier ...

Loss of appetite, nausea, vomiting, diarrhea, and stomach pain are common GI symptoms of COVID-19, according to Jain’s research. Some people experience these issues as their first signs of infection, ...

Add Yahoo as a preferred source to see more of our stories on Google. But because the two viruses share many symptoms, it’s difficult to tell them apart. When a sniffle seems to progress further than ...

Even years after infection, Long COVID may be quietly reshaping mental health. New research shows the emotional fallout can outlast the virus itself.

Thanksgiving week is typically one of the biggest travel periods of the year, but winter holidays like Christmas, Hanukkah, Kwanzaa and New Year's Eve aren't that far behind—and all that traveling, ...

Stay on top of what’s happening in the Bay Area with essential Bay Area news stories, sent to your inbox every weekday. Bay Area-raised host Ericka Cruz Guevarra brings you context and analysis to ...