F.D.A. Clears Pfizer’s Covid Pill for High-Risk Patients 12 and Older

The first-of-its-kind treatment, Paxlovid, has been found to be highly protective against severe illness. It could be available within a few days.

Walgreens and CVS Limit Purchases of At-Home Coronavirus Tests

The caps come as the rapid spread of the Omicron variant has customers flocking to testing sites and pharmacies, which are struggling to keep up.

How to Cope With Medicare’s Rising Costs

A higher Medicare premium in 2022 is just part of the puzzle of health care costs for older Americans. But there are ways to plan.

Family in Nigeria Lost 3 Daughters to Sickle Cell. Can They Save a Fourth?

About 150,000 babies are born each year in Nigeria with sickle cell, a deadly disease. Tens of thousands of them die annually before their fifth birthdays.

Biogen Slashes Price of Alzheimer’s Drug Aduhelm, as It Faces Obstacles

A group of Alzheimer’s experts and health advocates called on the F.D.A. to withdraw its approval of the drug, the latest of several setbacks for the treatment.

Novavax’s Covid Vaccine Is Authorized in Europe

The vaccine will be the fifth to become available in the E.U., which already has ample supplies.

Judge Overturns Purdue Pharma’s Opioid Settlement

The ruling said the company’s owners, members of the Sackler family, could not receive protection from civil lawsuits in return for a $4.5 billion contribution.

F.D.A. Will Permanently Allow Abortion Pills by Mail

The decision will broaden access to medication abortion, an increasingly common method, but many conservative states are already mobilizing against it.

Elizabeth Holmes Trial: Closing Arguments Are Set to Begin

On Thursday morning, prosecutors are expected to begin their closing arguments as they try to prove that Ms. Holmes, 37, is guilty of 11 counts of wire fraud and conspiracy to commit wire fraud.

Pfizer’s Covid Pill Works Well, Company Confirms in Final Analysis

The treatment, called Paxlovid, is likely to work against Omicron and could be available in the United States before the end of the year.