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Why Aren’t More People Comparison Shopping for Health Plans?

Why Aren’t More People Comparison Shopping for Health Plans?

Vaccination offers more protection against Covid-19 than previous infection, a C.D.C. study suggests.

Has the Virus Infected Huge Numbers of Younger Children?

Childhood vaccinations have lagged across the world because of the pandemic.

A cheap antidepressant lowers the risk of Covid hospitalization, a large study finds.

Patients Must Be Warned of Breast Implant Risks, F.D.A. Says

Starting next year, some immunocompromised people may receive a fourth Covid vaccine dose, the C.D.C. says.

A cheap antidepressant lowers the risk of Covid hospitalization, a large study finds.

Pregnant and breastfeeding women are slower to respond to vaccination, researchers report.

Merck Will Share Formula for its Covid Pill With Poor Countries

AstraZeneca’s vaccine comes with a slightly higher risk of a nerve syndrome but not worse than from Covid, a study finds.

Moderna’s Covid vaccine produces a strong immune response in younger children, the company said.

Some federal advisers have misgivings over whether boosters are widely needed.

Are Vaccine Boosters Widely Needed? Some Federal Advisers Have Misgivings

Coronavirus vaccines should begin soon for children 5 and up.

Here’s what you need to know to navigate the C.D.C.’s new mix-and-match vaccine strategy.

A limited C.D.C. study finds no significant change in hospitalization outcomes during the U.S. Delta wave.

Here’s what you need to know to navigate the C.D.C.’s new mix-and-match vaccine strategy.

Here’s what you need to know about the mix-and-match vaccine strategy.

To ensure access to Covid vaccines, developing countries could make their own.

Mixing and Matching Covid Vaccines

Millions in U.S. aid benefited richer hospitals, a new study shows.

C.D.C. Panel Recommends Covid Booster Shots for Millions of Americans

Parents, Will You Vaccinate Your Children for Covid?

Pfizer says new data show booster shots of its vaccine are highly protective against Covid.

What are the next steps as a C.D.C. panel considers Moderna and J. & J. boosters?

A C.D.C. panel will debate boosters and the ‘mix-and-match’ strategy.

Pain Doctor Accused of Sexually Assaulting Patients Faces New Federal Charges

Waiting on a federal mandate, some U.S. nursing homes are slow to vaccinate staff.

Nadia Chaudhri, Scientist With an End-of-Life Mission, Dies at 43

Gates Foundation Pledges $120 Million to Help Get Covid Pills Quickly to Poor Countries

Waiting on U.S. Mandate, Some Nursing Homes Are Slow to Vaccinate Staff

In a First, Surgeons Attached a Pig Kidney to a Human — and It Worked

F.D.A. Moves to Make Some Hearing Aids Available Without a Prescription

Pfizer-BioNTech’s vaccine is highly effective against hospitalization for those 12 to 18, a study shows.

Here’s why mix-and-match Covid boosters just might work.

Mix-and-Match Covid Boosters: Why They Just Might Work

Tuberculosis, Like Covid, Spreads in Aerosols, Scientists Report

What Scientists Know About the Risk of Breakthrough Covid Deaths

Here is what scientists know about the risk of breakthrough Covid deaths.

Here is what scientists know about the risk of breakthrough Covid deaths.

Multiple myeloma is a rare cancer that seems to strike at random.

Fauci urges police officers to get vaccinated.

Will New Covid Treatments Be as Elusive for Poor Countries as Vaccines?

Short on Staff, Some Hospices Ask New Patients To Wait

F.D.A. Panel Unanimously Recommends Johnson & Johnson Booster Shots

Has the U.S. seen its last coronavirus surge? Don’t count on it, experts say.

Deaths from tuberculosis rose in 2020, for the first time in a decade, the W.H.O. says.

Data from Federal Scientists Raise Questions About J.&J. Booster Shots