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By Seth Wenig | Nov. 7, 2019FILE- In this March 27, 2019, file photo, vials of measles, mumps and rubella vaccine sit in a cooler at the Rockland County Health Department in Pomona, N.Y. Research released on Thursday, Oct. 31, 2019, shows yet another reason to vaccinate children against measles. After a bout of measles, youngsters are more vulnerable to other germs _ from chickenpox to strep _ that they once could fend off. (AP Photo/Seth Wenig, File)