**FILE** Nurses Fatima Guillen (left) and Fran Wendt (right) give Kimberly Magdeleno, 4, a whooping cough booster shot May 3, 2012, as she is held by her mother, Claudia Solorio, at a health clinic in Tacoma, Wash. (Associated Press)

Photo by: Ted S. Warren

**FILE** Nurses Fatima Guillen (left) and Fran Wendt (right) give Kimberly Magdeleno, 4, a whooping cough booster shot May 3, 2012, as she is held by her mother, Claudia Solorio, at a health clinic in Tacoma, Wash. (Associated Press)