Writing for the New York Times, Aaron Carroll, a professor of pediatrics at Indiana University, debunks seven of the most common "myths and misconceptions" about coronavirus vaccines that he has heard from patients, friends, and colleagues.

The first dose alone of Pfizer-BioNTech's two-dose Covid-19 vaccine appears to generate a high level of immunity, according to a correspondence study published Thursday in The Lancet—a finding that may add to the debate about whether to delay second doses so as to maximize limited vaccine supplies.

About 490,000 Americans died from Covid-19 over the past year—but even that figure doesn't capture the epidemic's full toll. Three concerning trends of substance use have emerged that also claimed many American lives, or threaten to do so in the future, Daily Briefing's Ashley Fuoco Antonelli writes.

The World Health Organization authorizes the coronavirus vaccine developed by AstraZeneca, the United Kingdom approves a human challenge trial in which volunteers will be infected with the new coronavirus, and more.

The average life expectancy for Americans dropped precipitously in the first half of 2020, according to preliminary data from CDC's National Center for Health Statistics, marking the largest drop since World War II. Here's how the decline affected different groups of the U.S. population.

How the Covid-19 epidemic transformed dentistry, retailers and pharmacies are preparing for "bot" attacks on Covid-19 vaccine programs, and more.

The White House on Tuesday announced the Biden administration plans to extend a moratorium on foreclosures for federally guaranteed mortgages and expand a federal program for mortgage forbearance, in today's bite-sized hospital and health industry news from the District of Columbia, Minnesota, and Texas.