175 measles cases have been reported so far this year in the U.S . The CDC says that most of those infected are unvaccinated children who were not fully vaccinated. The measles virus normally grows in the cells lining the back of the throat and lungs , according to the CDC . 92 % of measles victims this year were not vaccinated or had unknown vaccine status .
175 measles cases have been reported so far this year in the U.S . The CDC says that most of those infected are unvaccinated children who were not fully vaccinated. 92 % of measles victims this year were not vaccinated or had unknown vaccine status .