"It's the biggest experiment that's ever happened." In a stunningly short period of time, the delta variant has changed the course of the COVID-19 pandemic by evolving to become more transmissible ...

The Centers for Disease Control and Prevention listed the COVID-19 delta variant as one of its "variants of concern" (VOCs) on June 15. According to the CDC, VOCs can be more contagious, more ...

While Stratus is the dominant COVID variant right now, it’s not causing any wildly different symptoms from previous variants, ...

A new COVID-19 variant called Stratus is rapidly spreading worldwide, distinguished by one telltale early symptom that sets ...

Viruses are masters at disguise. When they are pushed too far by our immune system, they send new virus variants into play ...

Viruses have all kinds of tricks up their sleeves. It often does not take long for pathogens such as SARS-CoV-2 to adapt and escape immune recognition. Viruses with mutations, that evade immune ...

In recent weeks, a new COVID strain known as Stratus has emerged in the UK, sparking interest and concern among health officials and the public alike. This variant, which includes subtypes XFG and XFG ...

SAN FRANCISCO -- A case of the coronavirus variant was detected in Southern California Wednesday, while a second suspected case has been identified in Colorado. According to officials, the COVID-19 ...

A new Covid variant called XFG and nicknamed “Stratus” has become dominant in the UK, as the virus continues to mutate and ...

Scientists analysed eight samples collected between March 2021 and July 2022 from the patient presumed to have been infected ...

There are now numerous cases of long-lasting aftereffects of a COVID-19 infection. These are referred to as long COVID ...

Scientists documented a rare case of COVID-19 persisting for over 750 days in a man with advanced HIV. The virus, confined ...