Pfizer's COVID-19 vaccine may have side effects that can sometimes knock people out of work for a day or so. Hospitals are planning vaccine campaigns for their workers to avoid staff shortages.

Airlines will play a critical role in transporting COVID-19 vaccines. But there are huge logistical challenges in shipping vaccines quickly and efficiently at low temperatures.

NPR's Ari Shapiro talks with Dr. Jeff Bahr, who oversees medical group operations at Advocate Aurora Health Care in Wisconsin, about challenges the U.S. may face in the COVID-19 vaccine distribution.

Latinos and African Americans are among those most likely to express skepticism about the coronavirus vaccine. Efforts are underway to change their minds.

A Pfizer board member says the government declined to buy more doses beyond the initial 100 million already agreed upon. Demand from other countries could complicate future purchases.

Claire Hannan, head of the Association of Immunization Managers, says the officials planning vaccine distribution face plenty of challenges. One is not knowing how many doses are coming their way.

The FDA will likely make a decision about approving Pfizer's vaccine "shortly after" an advisory committee meeting on Thursday. The agency has found "no specific safety concerns" about the vaccine.

This week’s Medical Minute, discusses “Remote Ischemic Conditioning”, a relatively simple technique that scientist hope will become a useful treatment for Hemorrhagic strokes, the most deadly type of stroke.

Here's how to self-isolate, what the new quarantine guidance means for your household, and which symptoms signal you need immediate emergency care.

Researchers found that a class of antibodies in a monkey's blood provides protection from COVID-19. If that hold true for humans, a blood test may predict whether a vaccine candidate is working.

Experts say low-risk people in the U.S. will likely be immunized before many high-risk people in poor countries.

The Pfizer-BioNTech COVID-19 vaccine was developed fast. But a leading vaccine expert says its important for consumers to know the companies "haven't cut corners" in the clinical science.

The U.S. government says it will issue a vaccine card and use other tools to help millions of Americans follow through with their immunizations against COVID-19.

The biotech company has new data reinforcing that its COVID-19 inoculation is safe and effective. Moderna is submitting an application to the FDA requesting emergency use authorization.

The medicines from Eli Lilly and Regeneron are infused, a process that can take two hours or longer, including observation for side effects. Staffing is as big an issue as the supply of the drugs.