Measles: What Is It?
Measles is a very contagious infectious disease caused by the measles virus. It is so contagious that up to 90% non-vaccinated persons will get infected after being in contact with the virus.
Measles is a very contagious infectious disease caused by the measles virus. It is so contagious that up to 90% non-vaccinated persons will get infected after being in contact with the virus.