fuck it why not...
https://www.ncbi.nlm.nih.gov/pubmed/12880876
https://www.ncbi.nlm.nih.gov/pubmed/20837594
https://www.ncbi.nlm.nih.gov/pubmed/19171612
https://medium.com/@visualvaccines/graphic-proof-that-vaccines-work-with-sources-61c199429c8c#.3t3o1ircx
im sure i could find many many more. have it it.
also i don't think apartheid means what you think it means.