Yes Vaccines Really Are Safe and Effective Heres Why
Yet another outbreak of a vaccine-preventable disease  this time measles in the Pacific Northwest  provides another reminder of the importance of getting children fully vaccinated, on schedule. Anti-vax or vaccine-skeptical parents are certainly not acting out of malevolence. They're doing what they believe will protect their children's health. But the fact is they're achieving the opposite  potentially endangering their health. Those are the facts. Watch the video with TIME's Editor-at-Large Jeffrey Kluger above to learn why.