Differing strains of the coronavirus continue to appear around the world and a new COVID-19 variant, the so-called "Delta" variant, has health experts concerned. The variant, otherwise known as B.1617 ...

If you show any of these signs, doctors say to get tested ASAP.

Here’s what the Centers for Disease Control and Prevention (CDC) says about the Delta variant, its symptoms, characteristics and other things to watch for: Viruses constantly change through mutation, ...

BALTIMORE — The delta variant symptoms are different from the original strand of COVID-19, a Johns Hopkins doctor said. Dr. Gabe Kelen, the director of emergency medicine at Johns Hopkins, said the ...

According to a Public Health England report, nine in every 10 new coronavirus cases are now the Delta variant. PHE data also indicated that Delta, first identified in India, is 64 percent more ...

Luckily, there’s a major step you can take to avoid this.

With holiday gatherings and New Year's celebrations in the rearview mirror, many Americans are coming down with respiratory viruses and may be wondering what their symptoms mean. After its initial ...

LONDON • A Delta subvariant that is spreading in Britain is less likely to lead to symptomatic Covid-19 infection, according to a coronavirus prevalence survey which also found that overall cases had ...