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 Covid-19 pandemic has been perceived mainly as a dangerous acute outbreak of infection that killed more than a million people in the United States and 7 million worldwide. 1,2 However, in the ...

A sweeping new definition of long COVID could help affected people get recognition of their condition and improve diagnosis and treatment. The U.S. National Academies of Sciences, Engineering and ...

Although COVID-19 is a respiratory disease, it can also cause rashes. What a COVID-19 rash looks like can vary, and it can occur anywhere on the skin and in the mouth. Other symptoms of 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 ...

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.

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 ...

With COVID levels high across most of the country, some people may find themselves experiencing symptoms of COVID rebound in the coming weeks. “COVID rebound is a recurrence of COVID symptoms after ...