COVID-19 Vaccines

Key questions include how often the vaccines should be updated against new viral strains and who should get them.

Health officials argue the protection of the COVID vaccine booster wanes over time and say some people need a second booster.

Testing sites have had to turn people away now that they can’t bill the federal government. Vaccinators are bracing for a similar fate.

Though findings are preliminary, many studies suggest that vaccinated people have good protection against the condition, although just how much is still up for debate.

Moderna said in the coming weeks it would ask regulators in the U.S. and Europe to authorize two small-dose shots for youngsters under 6.

In Pennsylvania, a growing number of divorced parents are taking their COVID vaccine disputes to court.

The request Thursday is broader than rival pharmaceutical company Pfizer’s request earlier this week for the regulator to approve a booster shot for all seniors.

Drugmaker Pfizer is expected to request authorization this week for an additional COVID-19 booster dose for seniors, according to a person familiar with the matter.

Penn researcher Drew Weissman spent decades developing mRNA technology. He says it helps target the rapidly mutating human immunodeficiency virus.

As the world enters the pandemic's 3rd year, some ask whether the 70% vaccination goal set by WHO and the Biden administration could in fact be detrimental.

Obama is encouraging more Americans to get vaccinated against the coronavirus, despite the declining infection rate in the U.S.

The 20-time Grand Slam champion tweeted Wednesday that the Centers for Disease Control “confirmed the regulations won’t be changing so I won’t be able to play in the U.S.”

Lifted mandates leave a lot of risk calculations up to immunocompromised individuals, for some of whom vaccines aren’t much help.

Nearly a year after passage of the $1.9 trillion American Rescue Plan, the administration says the federal government has nearly depleted funding dedicated to COVID-19.

Pediatricians say the back-and-forth results may seem confusing but that parents need to understand the shots are still the best way to prevent serious illness.