Herd immunity means that more people are immune to a contagious disease than the amount that can be infected. Here's how it ...

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 ...

A nearly COVID-free summer has long been the goal of public health officials who are striving to get enough people vaccinated by then to achieve so-called herd immunity. But is that a realistic goal? ...

CHICAGO (WLS) -- With many states reporting more cases, there has been a lot of talk about "herd immunity." On Thursday, Dr. Anthony Fauci weighted in on the concept of "herd immunity." President ...

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 ...

CHICAGO (WLS) -- There are huge challenges in the quest for herd immunity with millions of adults in Illinois remaining unvaccinated. The I-Team examined why demand for the vaccines is dropping and ...