LONDON (AP) — More than a decade ago, British parents refused to give measles shots to at least a million children because of a vaccine scare that raised the specter of autism. Now, health officials are scrambling to catch up and stop a growing epidemic of the contagious disease.

GENEVA (AP) — The World Health Organization says a yellow fever booster vaccination given 10 years after the initial shot isn't necessary.

CHICAGO (AP) — As the guitarist strums and softly sings a lullaby in Spanish, tiny Augustin Morales stops squirming in his hospital crib and closes his eyes.