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Sean Gardner/Getty Images(NEW YORK) -- Early in the pandemic, scientists and public health experts leaned on their experience with other viruses to make predictions about COVID-19, hopeful that when enough people developed immunity, the virus would be stopped in its tracks. But in the years that followed, and even after the introduction of highly effective vaccines, vaccine scientists and public health experts interviewed by ABC News realized COVID-19 is unlikely to completely disappear. Although herd immunity through widespread vaccination can be a successful strategy for certain viruses, suc...

As scientists learn more about the virus, they say herd immunity won't work for COVID-19

FAIRFIELD-SUISUN, CALIFORNIA Refrigerated boxes of the Moderna COVID-19 vaccine at the Seminole County Vaccine Point of Dispensing Site in Florida, before its opening, on Monday, Dec. 28, 2020. (Ricardo Ramirez Buxeda/Orlando Sentinel/TNS) Covid-19 vaccines sit at hospitals as doctors, pharmacies await doses WASHINGTON — Stephen Nuckolls, who runs a North Carolina health care medical group called Coastal Carolina Health Care, has deep freezers capable of storing the two authorized Covid-19 vaccines and hundreds of staff ready to give it. But after two weeks of emailing the North Carolina he...

Pfizer vaccine vials contain excess doses, surprising hospitals and pharmacists By Stephen Gandel Extra doses found in Pfizer vaccine vials Pfizer's COVID-19 vaccine appears to be in slightly less short supply than originally thought. Hospitals around the U.S. this week got their first vials of the vaccine, which was jointly developed by pharmaceutical giant Pfizer and Germany's BioNTech and is the first to be approved by the U.S. Food and Drug Administration. Many hospitals have quickly discovered that the vials they were told contained a maximum of five doses actually co...

The Next Six Months Will Be Vaccine Purgatory Sarah Zhang Editor’s Note: The Atlantic is making vital coverage of the coronavirus available to all readers. Find the collection here. With the FDA’s emergency authorization of the first COVID-19 vaccine imminent, the biggest and most complex vaccination campaign in the nation’s history is gearing into action. Planes are ferrying vaccines around the country, hospitals are readying ultracold freezers, and the very first people outside of clinical trials will soon get shots in their arms. The end of the pandemic is in sight. ...