Big Bird backlash: Vax lands even Muppet in political flap

Sesame Street's Big Bird participates in the ceremonial lighting of the Empire State Building in honor of Sesame Street's 50th anniversary in 2019 in New York. (Photo by Evan Agostini/Invision/AP, File)

NASHVILLE, Tenn. — Smokey Bear taught kids the importance of preventing wildfires. McGruff the Crime Dog warned them not to talk to strangers. And in 1972, Big Bird lined up on “Sesame Street” to receive a measles vaccine as part of a campaign to get more youngsters inoculated against the disease.