A chickenpox outbreak at Principia School in St. Louis County has sidelined students without proof of immunity for the next ...

Multiple chickenpox cases has been confirmed at Principia School in St. Louis County, and there are possibly up to nine, according to school officials.

Any Principia School student who hasn't been vaccinated or has no evidence of immunity is required to stay home for the next three weeks.

Add Yahoo as a preferred source to see more of our stories on Google. Chicken pox can spread quickly in people who aren't vaccinated. (Illustration: Liliana Penagos; Photo: Getty Images) (Illustration ...

Health authorities stepped up surveillance after more than 800 chickenpox cases were reported across Tamil Nadu in the past two months.

Chicken pox cases surge in Kerala, prompting health officials to urge vaccinations for children, especially during the exam season.

Undergraduate students of the Faculty of Political Science, Thammasat University, Rangsit Campus were asked to switch to online learning from Tuesday to Friday due to an outbreak of chicken pox among ...

All students who are unvaccinated cannot attend school or events at the Christian Science campus for three weeks.

Kerala reports over 10,154 chicken pox cases this year, raising concerns among parents during the exam season.