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 ...

Herd immunity with Covid-19 could come and go, scientists say. Or we might never reach it at all. "There's a lot of things that have to go our way to actually get to herd immunity," said Dr.

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 ...

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 ...

As more and more of the United States population gets vaccinated against COVID-19, many are wondering: when will enough people be vaccinated for life to return to normal? That question doesn't have a ...

Colorado measles vaccination rates are falling behind other states, leading to a lower herd immunity among children.

When my kids were toddlers, almost everyone in their Montessori preschool classroom caught chicken pox all at once. One after another, they fell like a train of dominoes the week before Thanksgiving, ...