The CDC says that one dose of the measles vaccine is about 93 percent effective and two doses are about 97 percent effective.
The CDC says that one dose of the measles vaccine is about 93 percent effective and two doses are about 97 percent effective. ANA VENEGAS TNS
The CDC says that one dose of the measles vaccine is about 93 percent effective and two doses are about 97 percent effective. ANA VENEGAS TNS

Measles Q&A: A primer, and the debate over vaccines

February 03, 2015 05:34 PM