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 ...

Researchers generate cutting-edge mouse models by engrafting human cells and tissue into the animals to better study the human immune system. Scientists have employed mouse models in immunological ...

In this cohort study of U.S. nursing homes, the introduction of immunity was associated with decreased overall nursing home staffing and staff per resident time. Registered nurse and licensed ...