Shots

Truck driver José Mendoza has a Humana HMO plan through his employer. It has a $5,000 deductible and 50% coinsurance, leaving him financially vulnerable. Bryan Cereijo for KHN hide caption

In December 2019, Cynthia Carrillo placed her older brother David at Villa Mesa Care Center, a nursing home in Upland, Calif. After the shutdown in March of 2020, Cynthia Carrillo couldn't visit David inside Villa Mesa. One month later, David, 65, who had Down syndrome, died from COVID-19. Chava Sanchez/LAist hide caption

Dr. Michael Maniaci and Dr. Margaret Paulson confer at the Mayo Clinic's hospital-at-home command center in Jacksonville, Florida. Mayo Clinic hide caption

Anti-vaccine advocates are using the COVID-19 pandemic to promote books, supplementals and services. Emilija Manevska/Getty Images hide caption

A car accident in 2019 smashed six of Mark Gottlieb's teeth and severely damaged four vertebrae. The spinal surgery he needed as a result led to medical bills that exhausted the personal injury coverage in his auto insurance. Erica Seryhm Lee for KHN hide caption

In a February visit to Pfizer's Kalamazoo, Mich., manufacturing complex, President Biden said the administration had "used the Defense Production Act to speed up the supply chain for ... key equipment, like fill pumps and filters, which has already helped increase vaccine production." Evan Vucci/AP hide caption

President Biden inspects COVID-19 vaccine freezers at a Pfizer plant in Kalamazoo, Mich., with White House Coronavirus Response Coordinator Jeffrey Zients, Michigan Gov. Gretchen Whitmer and Pfizer CEO Albert Bourla on Feb. 19. Brendan Smialowski/AFP via Getty Images hide caption

The Centers for Disease Control and Prevention in partnership with Boston Children's Hospital and Castlight Health launched a new tool that allows Americans to search for COVID-19 vaccine providers with stock of vaccine where they live. Michele Abercrombie/NPR hide caption

A worker carries boxes containing the Pfizer-BioNTech COVID-19 vaccine that were being prepared for shipment from a Pfizer facility in Portage, Mich., in December. Morry Gash/Pool/Getty Images hide caption

Mikkel and Kayla Kjelshus' daughter, Charlie, had a complication during delivery that caused her oxygen levels to drop and put her at risk for brain damage. Charlie needed seven days of neonatal intensive care, which resulted in a huge bill — $207,455 for the NICU alone — and confusion over which parent's insurer would cover the little girl's health costs. Christopher Smith for KHN hide caption

An illustration shows medical student Elizabeth Blackwell at Geneva Medical College (later Hobart College) in upstate New York, as she eyes a note dropped onto her arm by a male student, during a lecture in the college's operating room. Bettmann/Getty Images hide caption