1. Association Between Vaccine Refusal and Vaccine-Preventable Diseases in the United States
2. New York City Department of Health and Mental Hygiene ALERT # 39: Update on Measles Outbreak in New York City in the Orthodox Jewish Community (2018); https://www1.nyc.gov/assets/doh/downloads/pdf/han/alert/2018/alert39-measles-outbreak.pdf
3. New York City Department of Health and Mental Hygiene Measles (July 29 2019); https://www1.nyc.gov/site/doh/health/health-topics/measles.page
4. New York City Department of Health and Mental Hygiene Order of the Commissioner ; https://www1.nyc.gov/assets/doh/downloads/pdf/press/2019/emergency-orders-measles.pdf
5. New York City Department of Health and Mental Hygiene Health Alert Network. https://www1.nyc.gov/site/doh/providers/resources/health-alert-network.page