In the race between infection and injection, injection has lost. Public health experts estimate that approximately 70% of the world’s 7.9 billion people must be fully vaccinated to end the COVID-19...

The United States could be approaching herd immunity, which occurs when enough people become immune to a disease to make its spread unlikely, according to Suzanne Judd, Ph.D., an epidemiologist in the...

A concept bandied about early in the coronavirus pandemic, something called "herd immunity," has surfaced again. President Trump referenced the idea during an ABC News town hall last month, insisting...

The Brazilian city of Manaus, which was devastated by the coronavirus pandemic, may have suffered so many infections that its population now benefits from “herd immunity,” according to a preliminary...

Sweden’s policy of allowing the controlled spread of COVID-19 viral infection among the population has so far failed to deliver the country’s previously stated goal of herd immunity. Commenting...

An international team of researchers has found that just 4.4 percent of people in France have been infected with the SARS-CoV-2 virus—a percentage far below that needed for herd immunity. In their paper...