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 ...

Cut off from established pathways for managing a chronic illness, many Vermonters with long Covid have reported living in a sort of permanent limbo. They have faced stigma and disbelief from loved ...

Add Yahoo as a preferred source to see more of our stories on Google. When first lady Jill Biden tested positive for COVID-19 earlier this week, it publicly confirmed what many Americans have already ...

Ducharme is a contributor to TIME. Woman looking through window with mask Ducharme is a contributor to TIME. At this point, life in the U.S. has largely returned to pre-pandemic normal. The COVID-19 ...

More than three years into the coronavirus pandemic, fewer and fewer people are experiencing their first Covid-19 infections. But as cases climb, those who’ve had the virus before may wonder: What are ...

With the new COVID-19 vaccinations for the 2024–25 season arriving in California and across the nation, an important question arises: When is the best time to get the shot? The U.S. Centers for ...

The latest COVID-19 boosters were approved last month, but not everyone has been able to get them yet. The updated vaccine doses, which the Food and Drug Administration approved in late August, are ...

Labor Day is here and, for many Colorado students, school is already well underway. That means it’s time for annual vaccine shots. Newly updated COVID-19 vaccines won recent approval from the federal ...

If you missed the early fall push for flu and COVID-19 vaccines, it's not too late. Health officials say it's important to get vaccinated ahead of the holidays, when respiratory bugs tend to spread ...