In the United States, COVID vaccines have failed to provide long-term protective immunity to prevent breakthrough infections - cases of COVID-19 infection that occur in people who are fully vaccinated.
In late March 2022, the U.S. Food and Drug Administration authorized a second booster shot of COVID-19 vaccines for vulnerable populations in the U.S., a move that was soon after endorsed by the Centers for Disease Control and Prevention.
A new hybrid COVID-19 variant dubbed XE has sparked fresh concerns recently.
In his March 2022 State of the Union address, President Joe Biden introduced the "test to treat" initiative, a program designed to help reduce barriers to getting COVID-19 treatments in the early stages of illness.
Typically, meaningful changes to federal health policy happen at a glacial pace. But the modern world has never faced a public health crisis that has changed as quickly as the pandemic.
The Centers for Disease Control and Prevention recommended a fourth dose of Pfizer-BioNTech and Moderna COVID-19 vaccines for people 50 and older and a fifth dose for individuals who are imm
For some parents of young children, the wait for COVID-19 vaccines has been long and agonizing.
Twenty-one states have filed a lawsuit challenging the U.S. Centers for Disease Control and Prevention's continued mask mandate on public transportation, including on airplanes.
The U.S. Food and Drug Administration granted emergency use authorization to AstraZeneca's COVID-19 antibody drug Evusheld on Dec. 8, 2021.
As new variants of COVID-19 emerge and pose threats to everyone's health, doctors are struggling with their obligation to "do no harm" and their obligation to respect patient autonomy.
