The Food and Drug Administration authorized use of the more traditional type of vaccine for those 18 and older.
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Two federal advisory committee members say evidence doesnt support a need for four shots.
Starting Saturday, private health insurers will be required to cover up to eight home COVID-19 tests per month for people on their plans. The Biden administration announced the change Monday as it looks to lower costs and make testing for the virus more convenient amid rising frustrations.
U.S. regulators on Wednesday signed off on extending COVID-19 boosters to Americans who got the Moderna or Johnson & Johnson vaccine and said anyone eligible for an extra dose can get a brand different from the one they received initially.
Here are the answers to some commonly asked questions about booster shots to those already inoculated.
Pfizer says its vaccine continues to be effective against COVID-19 up to six months later.
Moderna Inc. said it would ask U.S. and European regulators Monday to allow emergency use of its COVID-19 vaccine.
Pfizer says that more interim results from its ongoing coronavirus vaccine study suggest the shots are 95% effective and that it protects older people most at risk of dying from COVID.
The therapy is still undergoing additional testing to establish its safety and effectiveness.
A change to federal guidelines on coronavirus testing by the Trump administration urge sparked criticism, confusion and resistance, including from officials in Nevada.
Secrecy surrounding executions could hinder efforts by a group of medical professionals who are asking the nation’s death penalty states for medications used in lethal injections so that they can go to coronavirus patients who are on ventilators, according to a death penalty expert and a doctor who’s behind the request.
Motorists traveling into Utah from outside states will now be required to submit an online survey amid the COVID-19 pandemic.
NEW YORK — As health officials around the world push to get more ventilators to treat coronavirus patients, some doctors are moving away from using the breathing machines when they can.
Wearing red robes to symbolize the blood shed by Jesus in the hours of his crucifix, Francis blessed braided palms.
Public health officials say it will take a year to 18 months to fully validate any potential vaccine.