37% of measles cases analyzed in the US in 2015 were caused by the MMR vaccine

By Arjun WaliaSeptember 12, 2020 What Happened: A study published in 2017 in the Journal of Clinical Microbiology found that “During the measles outbreak in California in 2015, a large number of suspected cases occurred in recent vaccinees. Of the 194 measles sequences obtained in the United States in 2015, 73 were identified as vaccine sequences…” The authors developed […]