Herd immunity is important because it defines when a whole community is protected. That includes people who haven't caught the disease, people who had the illness and recovered, and people who got a ...

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 ...

Update on COVID-19 Related Immunity From Liability This article reviews recent appellate rulings on COVID-19 immunity for health care providers, emphasizing that immunity depends on proving that the ...