Mark Movsesian directs the Center for Law and Religion at St. John’s University, where he also teaches contract law. He co-hosts the “Legal Spirits” podcast on law and religion, which covered the “anti-vaxx” movement in 2019.

Brad Hoylman is a Democratic state senator in New York. He sponsored the 2019 legislation that eliminated nonmedical exemptions to school vaccine requirements. Arrange an interview through Avi Small.

Peter Hotez is dean of the National School of Tropical Medicine at the Baylor College of Medicine in Houston. He worked on research teams that developed vaccines for hookworm, schistosomiasis and SARS. Hotez is also the author of Vaccines Did Not Cause Rachel’s Autism: My Journey as a Vaccine Scientist, Pediatrician and Autism Dad.

Paul Harris is a Republican representative in the Washington House of Representatives. He sponsored the 2019 legislation ending the personal belief exemption to the state MMR vaccine requirement. Contact Kent Livingston to arrange an interview.

John Grabenstein is the associate director for scientific communications for the Immunization Action Coalition. He is the author of a 2013 review of religious teachings related to vaccines.

Sue Collins is a co-founder of the New Jersey Coalition for Vaccination Choice. She helped defeat the New Jersey Legislature’s effort to end religious exemptions to vaccine requirements. Arrange an interview through the coalition’s contact form.

James Colgrove is a professor of sociomedical sciences at Columbia University. He is the author of State of Immunity: The Politics of Vaccination in Twentieth-Century America.

Adrian Zenz is a researcher and Ph.D. supervisor at the European School of Culture and Theology in Korntal, Germany, where he studies China’s repression of ethnic minorities in Xinjiang and Tibet. He is also a senior fellow in China studies at the Victims of Communism Memorial Foundation in Washington, D.C.

Hua Chunying is the spokeswoman for China’s Ministry of Foreign Affairs.