Overview

• Johns Hopkins data show that 78 percent of 2,066 counties saw MMR rates fall from 93.92 percent before the pandemic to 91.26 percent afterward.
• The United States has reported 1,088 measles cases in 32 states this year, the highest total in five years, including three deaths.
• About 96 percent of confirmed measles cases occurred in individuals who were unvaccinated or whose vaccination status was unknown, according to the CDC.
• California, Connecticut, Maine and New York—states that prohibit non-medical vaccine exemptions—experienced the smallest declines in immunization coverage.
• Texas recently passed legislation to simplify school entry without the MMR vaccine, a move public health experts warn could worsen the outbreak.