Health

By Maggie Fox, CNN A traveler isolated for Covid-19 at a quarantine facility in New Zealand managed to infect three others across a hallway,…

By Holly Yan, CNN Millions of American kids will head back to classrooms in the coming days — just as the Omicron variant is fueling record new…

By Madeline Holcombe, CNN A new year is coming, and it brings along concerns over imminent holiday celebrations in light of the Omicron variant. The…

By Maggie Fox, CNN Two reports released Thursday show that people who get booster doses of Johnson & Johnson’s Janssen vaccine are well…

By Megan Marples, CNN What’s supposed to be the happiest time of year can quickly turn into a stressful flurry of holiday activities and…

By Maggie Fox, CNN State and local health officials say they are struggling to make sense of the new Covid-19 isolation and quarantine guidelines…

By Jen Christensen and Jamie Gumbrecht, CNN The US Food and Drug Administration said Tuesday that quick antigen tests people take at home may be less…

By Jacqueline Howard, CNN Even after Covid-19 cases fall from their current record-high levels, it’s unlikely the United States — let…

By Dr. Sanjay Gupta, CNN Chief Medical Correspondent It’s almost the new year and along with it comes the admittedly aspirational tradition of…

By Holly Yan, CNN Millions of American kids will head back to classrooms in the coming days — just after new pediatric Covid-19…

By Sandee LaMotte, CNN Prefer your coffee black? Then you probably like dark, bitter chocolate, according to new research identifying a genetic basis…

By Jen Christensen and Christina Maxouris, CNN Inside one children’s hospital in Chicago, Covid-19 cases are roughly three times higher than…