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 ...

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 ...

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 ...

Since May, highly contagious "FLiRT" coronavirus variants – a term for new mutations of Omicron – have been driving a rise in infections and emergency room trips. Virus levels at local wastewater ...

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 Covid-19 pandemic caused by Severe Acute Respiratory Syndrome Coronavirus 2(SARS-CoV-2) stands as the fastest-spreading and most extensive global health crisis that humanity has faced in a century ...