Health Highlights: Sept. 20, 2021

Here are some of HealthDay's top stories for Monday, Sept. 20:

Lower dose of Pfizer vaccine works in kids as young as 5: The pharmaceutical giant announced Monday that a dose that is one-third the strength of adult doses triggered a robust immune response in young children. Read more

Good news for Americans who got Moderna or J&J vaccines: Data on booster shots for those vaccines is only a few weeks away from a review by the U.S. Food and Drug Administration, Dr. Anthony Fauci said Sunday. Read more

Spotting who is most at risk for severe COVID after breakthrough infection: A new study of millions of vaccinated people has identified those at greatest risk of hospitalization and death if infected. Read more

Opioids as deadly as heart attacks?: Researchers found that addicts were just as likely to die after being discharged from the hospital as heart patients were. Read more

Birth rates drop during pandemic: History is repeating itself with the COVID-19 scourge, researchers report, with fewer infants being born during this latest pandemic. Read more