By MEREDITH DELISO, ABC News (NEW YORK) -- Appointments are being canceled, sites are temporarily closing, county waitlists are in the thousands and states are adjusting eligibility timelines as vaccines supplies dwindle nationwide.With shipments coming weekly, officials say they don't have much visibility on their supplies as they simultaneously schedule…... Read More

By NICOLE PELLETIERE, ABC News (NEW YORK) -- A Texas mother is sharing the story of her teenager's ongoing fight against COVID-19, in hopes to remind parents that young people are still at risk.Christina Meredith, a resident of Kyle, Texas, told ABC News' Good Morning America that her 15-year-old daughter…... Read More

By GMA TEAM, ABC News(NEW YORK) -- Erika Rischko is an 81-year-old mother of two, grandmother of one and, surprising to even herself, a fitness influencer.Rischko, of Langenfeld, Germany, describes herself as a "late bloomer" when it comes to fitness, but she now is inspiring people decades her junior with…... Read More

By ERIN SCHUMAKER, ABC News (NEW YORK) -- When President-elect Joe Biden is sworn in on Jan. 20, he'll be inheriting more than the Oval Office. As the COVID-19 pandemic extends into another year, the United States is leading the world for all the wrong reasons.With more than 24 million…... Read More

By KATIE KINDELAN, ABC News (SAN ANTONIO) -- Dr. Nayeli Rodulfo-Zayas, an emergency medicine physician in San Antonio, Texas, was 35 weeks pregnant when she received her second dose of the COVID-19 vaccine earlier this month.Rodulfo-Zayas, also the mother of a 2-year-old, is speaking out about her decision in hopes…... Read More

By DR. ROSE MARIE LESLIE, ABC News (NEW YORK) -- Despite receiving one or two doses of a coronavirus vaccine, multiple members of Congress have tested positive for COVID-19 since the riot at the U.S. Capitol.While currently available vaccines are highly effective against symptomatic illness, it takes about two weeks…... Read More

By DR. NICK NISSEN, ABC News (NEW YORK) -- Exercise is good for your health, but researchers are now finding that better cardiovascular fitness might save you from a trip to the hospital if you are diagnosed with COVID-19.According a new study from Henry Ford Hospital, people with better cardiovascular…... Read More

By KATIE KINDELAN, ABC News (NEW YORK) -- Kasen Donerlson is being called a "miracle baby" after surviving both COVID-19 and a liver transplant, all before his first birthday."It's been very, very stressful," Kasen's mom, Mitayah Donerlson, told ABC News' Good Morning America. "But his recovery right now is going…... Read More

By DR. SEAN LLEWELLYN and SONY SALZMAN, ABC News (NEW YORK) -- Two independent research groups published findings confirming what many scientists have long suspected: The U.S. has its own unique COVID-19 viral variants that are distinct from the U.K. and South African lineages making headlines in recent weeks.On Wednesday,…... Read More

By STEPHANIE RAMOS, KATIE O'BRIEN, and ARIELLE MITROPOULOS, ABC News(WORCESTER, Ma.) -- Michael Gadbois, a first responder, was used to going the DCU Center for concerts and sporting events.But his most recent trip there was as a COVID-19 patient."I never thought I would be going into the convention center on…... Read More