Data investigation: Childhood vaccination rates are backsliding across the U.S.

This is Part 1 of The Vaccine Divide , a data investigation into how an escalating movement against immunization is challenging public education, widening health disparities and threatening the health of America’s children. ST. LOUIS — For more than a half-century, vaccines have had remarkable success eradicating the most lethal and devastating childhood infectious diseases, saving millions of lives and ushering in a relative golde