Covid-19 has transformed health care in countless ways, but which changes have proven the most surprising, unexpected, or counterintuitive? Here's how some of Advisory Board's top experts—including Christopher Kerns, Rachel Woods, Yulan Egan, and Amanda Berra—answered the question.

Pfizer and BioNTech on Tuesday said they've asked FDA to expand its authorization for booster doses of the companies' Covid-19 vaccine to include anyone age 18 and older—a move that would significantly increase the number of Americans eligible for a booster shot.

The United States has based the early direction of its Covid-19 booster strategy on data from other countries, but why? Betsy Ladyzhets highlights the debate and confusion over the U.S. booster policy for FiveThirtyEight.

In what it calls "the first ranking to evaluate cost efficacy" for more than 3,000 U.S. hospitals, the Lown Institute released a list of the top 50 hospitals for cost efficiency, highlighting those hospitals that were able to achieve high-quality outcomes—and low mortality—with low cost to Medicare. Find out who made the cut.

More than 25,000 tons of Covid-related plastic waste have polluted the world's oceans—and it largely consists of hospital waste, such as masks, gloves, and face shields, according to a new study published in PNAS.

Prevea Health ended a nine-year partnership with Green Bay Packers quarterback Aaron Rodgers, in today's bite-sized hospital and health industry news from Ohio, Texas, and Wisconsin.