As the supply of Covid-19 vaccines ramps up, experts expect the next obstacle to achieving herd immunity will be persuading more people to actually get vaccinated. Here's how to talk to people who are hesitant to get a vaccine, according to physicians, vaccine experts, and more.

Even happiness researchers expected to see significant declines in self-reported levels of well-being in the recently released 2021 World Happiness Report—but the report's findings were full of surprises, Ryan Bacic reports for the Washington Post.

In a significant milestone for researchers, a panel of clinician-scientists has published the first consensus criteria to diagnose—for research purposes—a clinical disorder associated with chronic traumatic encephalopathy (CTE) among living people, offering a framework for future studies on the rare and little understood brain disease.

The Biden administration is planning a localized campaign to reach vaccine-hesitant populations through community leaders and groups—even as newly reported data casts doubt on a separate administration effort to distribute vaccine doses more equitably.

Deborah Birx, who was the coronavirus response coordinator under former President Donald Trump, said in an interview with CNN that she believes many of the more than 548,000 American deaths from Covid-19 could have been prevented had the Trump administration acted more aggressively, in today's bite-sized hospital and health industry news from Connecticut, the District of Columbia, and New Jersey.

How much weight Americans gained amid Covid-19, why not all experts are sure vaccine passports are a good thing, and more.