“From the Academy of Family Physicians (AAFP): The AAFP has developed a web-based map that displays immunization rates and exemption laws in all 50 states, D.C., Puerto Rico, the Virgin Islands, and Guam. In addition, our searchable IIS Registry database provides state-by-state regulations for immunization registries across the U.S. These tools provide immunization data that can help family physicians identify populations that may be at risk of vaccine-preventable diseases like measles. . . ”