In South Carolina, they recorded the first case of measles in the past 21 years.[1][2][4] In an update Friday, state officials said the measles outbreak had grown to 185 cases.[3] Of these, 172 cases involved patients who had not received the measles, mumps, and rubella vaccine.[3] The number of measles cases in South Carolina has risen again to more than 550 cases.[query] There has been an increase of nearly 30 percent in the past few days.[query] State health officials reported on Friday.[query]