Herd immunity went from a phrase most of us had never heard of to the thing we're all waiting for in just about a year's time. "It's kind of shorthand for back to normal," said Dr. Bob Wachter, chair ...

RALEIGH, N.C. (WTVD) -- Dr. Betsey Tilson serves as the State Health Director and the Chief Medical Officer for the Department of Health and Human Services. On Wednesday, she joined ABC11 to discuss ...

Herd immunity is the name for a point in time when it's hard for a disease to spread through a group of people. The idea of herd immunity works for some diseases, such as measles. But it's a harder ...

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The term herd immunity saw an increase in usage amid the COVID-19 pandemic.Herd immunity means that enough people within an area have developed a protection against a virus or other infectious disease ...

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 ...

Confusion continues to grow after the CDC announced that even vaccinated Americans should a wear a mask indoors in areas with substantial covid cases. The announcement comes as the delta variant ...

As scientists learn more about the virus, they say herd immunity won't work. Early in the pandemic, scientists and public health experts leaned on their experience with other viruses to make ...

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In this segment, Dr Jacobson discusses the importance of vaccine efficacy in controlling measles outbreaks. The measles vaccine is 97% effective, meaning a small percentage of individuals do not ...