Measles vaccination rates have declined in most U.S. counties, study finds
Measles vaccination rates have declined in most U.S. counties, study findshttps://wpnnradio.com/wp-content/themes/movedo/images/empty/thumbnail.jpg150150adminadminhttps://secure.gravatar.com/avatar/790df65a416873c3f0501d984b0b24a2f32bf2af0d1509085b901ade4bbb36e7?s=96&d=mm&r=g
Of the 2,066 counties the study looked at, 78% saw a decline in MMR vaccination rates. But rates can vary substantially within a state. source
