While waiting for a liver transplant in 2011, 21-year-old Matthew Rosiello (shown here getting catheter help from his mom while he was on the waitlist) was advised by his doctors to relocate from New York to Ohio — where the wait would be shorter. Indeed, in 2012 Rosiello received a liver transplant in Cleveland. AP Photo/Craig Ruttle hide caption
Congress passed a measure to curb surprise medical bills as part of the pandemic stimulus deal. Oliver Contreras/Bloomberg via Getty Images hide caption
A worker passes through the security gate at the Moderna campus in Norwood, Mass., one of the sites where the biotechnology company is manufacturing its COVID-19 vaccine. Joseph Prezioso/AFP via Getty Images hide caption
A vial of the COVID-19 vaccine developed by Pfizer and BioNTech that was used at the Royal Victoria Hospital in Belfast, U.K., on Tuesday. Liam McBurney/Bloomberg via Getty Images hide caption
All health plans sold on HealthCare.Gov or one of state insurance exchanges are governed by Affordable Care Act rules. That means they have to provide comprehensive benefits to all applicants, regardless of their health or "preexisting conditions." But short-term plans and many others aren't bound by such restrictions. David McNew/Getty Images hide caption
Headaches, lung issues and ongoing, debilitating fatigue are just a few of the symptoms plaguing some "long hauler" COVID-19 patients for months or more after the initial fever and acute symptoms recede. Grace Cary/Getty Images hide caption
Refrigerators store Pfizer's COVID-19 vaccine at a company facility in Kalamazoo, Mich. Jerica Pitts/AP hide caption
The Department of Health and Human Services on Saturday made public several contracts with companies working on COVID-19 vaccines as part of Operation Warp Speed. Mark Wilson/Getty Images hide caption
A pre-pandemic Seattle supermarket boasts row after row of prepackaged snacks. Even before the coronavirus pandemic put extra stress on grocery workers, keeping shelves stocked with the variety that Americans have come to expect took a hidden toll on producers, distributors and retail workers, says author Benjamin Lorr. David Ryder/Getty Images hide caption
Regeneron has developed a drug called REGN-COV2 that is a combination of two monoclonal antibodies that block the virus that causes COVID-19. The company has a contract to supply up to 300 million doses to the U.S. government. Lev Radin/Pacific Press/LightRocket via Getty Images hide caption
Moncef Slaoui, a former GlaxoSmithKline executive, speaks during the kickoff announcement for Operation Warp Speed in the White House Rose Garden on May 15. Jabin Botsford/The Washington Post via Getty Images hide caption
When Tiffany Qiu found herself on the hook for her usual 30% Blue Shield of California coinsurance after the hospital quoted 20%, she pushed back. Shelby Knowles for KHN hide caption
On average, each U.S. nursing home is connected to seven others through shared staff, a study by Yale and UCLA researchers suggests. Rigorous infection control measures can curb the spread of the coronavirus, but many workers say they still don't have sufficient masks and other personal protective equipment. SDI Productions/Getty Images hide caption
A volunteer received an injection as part of a clinical trial for a COVID-19 vaccine at Research Centers of America in Hollywood, Fla. Studies of vaccines backed by Operation Warp Speed have enrolled tens of thousands of people in a matter of months. Bloomberg/Bloomberg via Getty Images hide caption