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

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.

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

Add Yahoo as a preferred source to see more of our stories on Google. Most children today receive the chickenpox vaccine as a routine part of childhood immunizations. Solidcolours/E+ via Getty Images ...

However, there is one that has remained an ever-present threat and it is spreading like wildfire in certain parts of the nation. Queensland, in particular, is calling on residents to be aware of the ...

(CBS/AP) Folks who fear the worst when a family member gets chickenpox can breathe a sigh of relief. The chickenpox vaccine has nearly eliminated deaths from the viral illness, according to the ...

The varicella-zoster virus causes both chickenpox and shingles infections. Initially, the virus causes a chickenpox infection. If it reactivates later, shingles can develop. The chickenpox vaccine ...

Scientists advising the Government have urged that chickenpox vaccines be introduced in the UK for young children. The Joint Committee on Vaccination and Immunisation (JCVI), which advises UK health ...

Kerala is experiencing a significant increase in chicken pox cases, coinciding with the season of respiratory illnesses and causing concern among parents.

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