Vaccines Work
Illustration for World Immunization Week campaign. "The most common vaccines - like those for measles, diphtheria, tetanus and pertussis - have been in use for decades. Millions of people receive them safely every year."
Illustration for World Immunization Week campaign. "The most common vaccines - like those for measles, diphtheria, tetanus and pertussis - have been in use for decades. Millions of people receive them safely every year."