It's the cheapest, fastest COVID test on the market - based right here in the Bay Area In August, SummerBio expanded its testing volume from 10,000 tests per day to 100,000 tests per day.

A new COVID variant called "Nimbus" is spreading. Here's what you need to know about the incubation period, symptoms (including "razor blade throat") and when to take a test.

An extremely painful sore throat, often now referred to as “razor blade throat”, is just one of the several symptoms of a new COVID-19 variant that is gaining ground in ...

Got a sore throat and the sniffles? The recent rise of rapid at-home tests has made it easier to find out if you have a serious illness like COVID-19 or just a touch of spring allergies. But while ...

According to a study published in JAMA Network Open, 70% of U.S. adults would conduct a home test for suspected COVID-19.

Also known as XFG, an expert weighs in on the latest strain and which symptoms you should watch out for when it comes to the Stratus variant of Covid.

The World Health Organization has added the variant, known formally as XFG, to its monitoring list. A dry, irritated throat is among its main symptoms.

Records show that a top U.S. regulator rejected the recommendations of agency experts and limited the use of Covid vaccines.

Months after the Pentagon rolled out a policy aimed at wooing back service members booted from the military over the COVID-19 vaccine, the Pentagon has confirmed that only 13 people -- all Army ...

Reported symptoms of NB.1.8.1 are similar to other COVID-19 strains, but one distinctive complaint is a severe sore throat, sometimes described as “razor-blade throat fatigue.” ...

Doctors say the new Covid variant “Nimbus” may be behind the wave of extreme sore throats that people are calling a mystery virus on TikTok.