In Mexico City, where schools and businesses were shuttered during the first H1N1 outbreak last spring, the initial fear surrounding the virus has lifted, but health officials warn that young children are being unexpectedly hard hit this flu season.

Sesame Street celebrates its 40th anniversary Tuesday, and there at nearly the beginning was Sonia Manzano, who was cast as "Maria" in 1971, becoming one of the first Hispanic characters on television.