If you’re exposed and have not received the measles, mumps and rubella vaccine, and you don’t have immunity, you have a 90 per cent chance of infection, Dr. Jeanette Comeau says.
If you’re exposed and have not received the measles, mumps and rubella vaccine, and you don’t have immunity, you have a 90 per cent chance of infection, Dr. Jeanette Comeau says.