Here’s some of HealthDay’s top stories for Friday, July 9: Pfizer/BioNTech seek approval for COVID booster. The companies behind a successful COVID vaccine say they’re already looking for approval for a booster shot. But the FDA, CDC and many experts say it’s uncertain a third dose will ever be needed.Continue Reading

FRIDAY, July 9, 2021 (HealthDay News) — Why do some people infected with SARS-CoV-2 have either no or negligible symptoms, while others sicken and die? Scientists who’ve pinpointed several genetic markers associated with severe COVID-19 say their findings could provide answers to that important question — and targets for futureContinue Reading

FRIDAY, July 9, 2021 (HealthDay News) — A double dose of China’s CoronaVac vaccine is 83.5% effective against symptomatic COVID-19, researchers say. Their phase 3 trial included more than 10,000 people, aged 18 to 59, in Turkey who received either two doses of CoronaVac 14 days apart or an inactiveContinue Reading