Which vaccination is confirmed by the Varicella test?

The Varicella test specifically confirms immunity to the varicella-zoster virus, which causes chickenpox. When an individual receives the chickenpox vaccination, it is designed to provoke an immune response to this virus, resulting in the production of antibodies. Therefore, a positive result from the Varicella test indicates that the individual has either had chickenpox in the past or has been vaccinated against it, confirming their immunity.

This association is critical in understanding the role of vaccinations in preventing infectious diseases. In contrast, the other options relate to vaccines for different diseases. The Hepatitis B vaccine focuses on preventing hepatitis B virus infections, the MMR vaccine is for measles, mumps, and rubella which are separate viral infections, and the measles immunization specifically protects against measles, rather than chickenpox. Therefore, these alternatives do not directly correlate with the Varicella test, making the chickenpox vaccination the correct link.