Those who’ve dodged COVID-19 for more than four years may have a newly discovered immune response to thank. The results stem from a challenge trial: At the height of the pandemic in 2021, scientists ...

Variant-driven COVID-19 cases are increasing and a few U.S. schools and businesses have temporarily reinstated mask mandates to mitigate the virus’s spread. Now, some are sounding the alarm that more ...

Four years after the spread of a novel coronavirus first prompted U.S. officials to shutter schools and limit public gatherings, misinformation about the virus persists. False claims that COVID-19 ...

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’d like to think that COVID-19 is behind us, the virus isn’t going anywhere. Health officials continue to recommend that people get vaccinated for both COVID-19 and influenza every year ...

The following essay is reprinted with permission from The Conversation, an online publication covering the latest research. From the very early days of the pandemic, brain fog emerged as a significant ...

Senior Correspondent Even relatively easy bouts with COVID-19 can still take a toll on the immune system, according to a paper published Mar. 15 in the journal Immunity—particularly on T-cells, which ...