As a number of western nations, including the United States, wind down stay-at-home orders, the World Health Organization said on Monday that attempting herd immunity without a vaccine is a “dangerous ...

Herd immunity occurs when enough people in a group are immune to a specific infection that it cannot spread easily from person to person. Vaccination programs have been successful in creating herd ...

During the last few months, many health experts have been talking about reaching “herd immunity” with the distribution of the COVID-19 vaccine. Over the Christmas weekend, Dr. Anthony Fauci said he ...

Monica Hesse described in her July 15 op-ed, “There’s no vaccine for this,” her dismay at the state of U.S. measles vaccination rates. She fears that the loss of herd immunity will harm those who aren ...

Herd immunity occurs when enough people become immune to a disease, either through vaccination or previous infection. This can reduce the likelihood of it spreading and increase protection for ...