CDC Issues Guidelines for Adult Measles Vaccination Amidst Outbreak Concerns
The Centers for Disease Control and Prevention (CDC) has updated its guidance regarding measles vaccination for adults, particularly in light of ongoing outbreaks. The CDC outlines four primary forms of evidence to confirm immunity: written vaccination records, laboratory results showing immunity, laboratory confirmation of a past measles infection, or birth before 1957. Adults lacking any of these forms are considered to have insufficient evidence of immunity. The recommended vaccine is the MMR shot, which protects against measles, mumps, and rubella. Depending on individual circumstances, adults may require one or two doses. Special consideration is given to those who received an inactivated measles vaccine between 1963 and 1967, as it was not reliably protective, and revaccination with the live vaccine is advised. The CDC emphasizes that measles can be spread from four days before the rash appears to four days after, highlighting the importance of timely vaccination and checking immunity status, especia...