Measles
Measles, the history of, and the controversy of childhood vaccines causing autism.
Here are the four sources I used in my annotated bibliography:
https://www.cdc.gov/measles/index.html
https://www.historyofvaccines.org/timeline/all?timeline_categories%5B%5D=51
https://www.idsociety.org/public-health/measles/myths-and-facts/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4599698/