South Africa says people who test positive for COVID-19 but have no symptoms no longer need to isolate Marianne Guenot 01 feb 2022
CDC charts show how much 2 and 3 doses of COVID vaccine protect from hospitalization Marianne Guenot 28 jan 2022
New Omicron offshoot BA.2 is over 1.5 times more contagious as the original, early data from Denmark suggests Marianne Guenot 27 jan 2022
A chunk of SpaceX rocket that has drifted through space for years is on a collision course with the moon Marianne Guenot 26 jan 2022
An 11-year-old with abdominal pain 3 months after getting COVID-19 still had the coronavirus in her gut Marianne Guenot 24 jan 2022
Omicron is infecting more kids than any prior variant. Here are the most common symptoms in children, according to experts. Marianne Guenot 20 jan 2022
A future mono vaccine may have a shot at defeating multiple sclerosis, a new study suggests Marianne Guenot 14 jan 2022
A child mummy from Egypt is the first found with a dressed wound, offering a rare glimpse into ancient medicine Marianne Guenot 14 jan 2022
COVID-19 virus particles lose most of their ability to infect after about 10 minutes in the air, lab study suggests Marianne Guenot 12 jan 2022
