Find out how different vaccines for the coronavirus cause your body to create antibodies that fight the virus.

Add Yahoo as a preferred source to see more of our stories on Google. Covid-19 at home Rapid Test Kit The FDA has extended the shelf life for some COVID-19 tests. Now that allergy season is here, many ...

As Covid cases surge again in the U.S., Americans are digging out unused at-home tests that they stashed earlier in the pandemic. Many of those tests may have passed their expiration dates, but don’t ...

Learn about the safety and effectiveness of COVID-19 vaccines for kids, the possible side effects, and the benefits of vaccination.

People in the United States can now order more free Covid-19 tests from the federal government as the country heads into respiratory virus season with high levels of the coronavirus already ...

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There are a variety of therapies available compared to early in the pandemic. It's hard to imagine a time when treatments weren't available for COVID-19. Yet this was the case when the World Health ...

Flu, COVID-19, the common cold and RSV have similarities, but they differ in their severity, contagiousness and symptoms. Vaccines are available for COVID-19, the flu and RSV. However, there is no ...