Blueberry muffin rash is a distinctive rash in babies that presents as blue, purple, or dark spots on the face and body. It can occur as a result of rubella or certain other health conditions. Rubella ...
FILE - A vial of a measles, mumps and rubella vaccine sits on a countertop at a pediatrics clinic in Greenbrae, Calif., on Feb. 6, 2015. (AP Photo/Eric Risberg, File ...