It's summer, and RSV and flu have come and gone. But, as ever, COVID-19 is different. Even though the pandemic may be behind us, the virus is once again surging in the U.S. Here's what to know about ...

COVID rebound is when COVID-19 symptoms return soon after they go away or a person registers a positive COVID-19 test result after testing negative for several days. COVID rebound can happen in people ...

Yearly Covid-19 Booster Recommendations in Canada, Europe, and Australia. Although the rapid development of multiple Covid-19 vaccines in 2020 represents a major scientific, medical, and regulatory ...

As much as we want to put it behind us, COVID-19 isn’t going away. Cases are currently rising across the country in a summer surge. The U.S. Centers for Disease Control and Prevention (CDC) reports ...

Ziyad Al-Aly is chief of research and development at VA St. Louis Health Care System and a clinical epidemiologist at Washington University in St. Louis. Since 2020, the condition known as long ...

The U.S. approved a new COVID-19 vaccine made by Moderna late Friday but with limits on who can use it — not a replacement for the company's existing shot, but a second option. The new vaccine, ...

Some Americans with underlying conditions are approved for the vaccines. The Food and Drug Administration on Wednesday approved updated COVID-19 vaccines for the upcoming fall/winter season for some ...

Winter is almost here, so does that mean COVID is rising again? A map of COVID in the U.S. shows about 18 states have high or very high viral activity, and 21 states have low or minimal activity.