Based on the scientific evidence presented in the journals Lancet and Vaccine which of the following is NOT the reason for the observed increase in incidence of autism in the United States and other countries since the 1970s?

Question

Quizplus · Accepted Answer

The scientific evidence presented in the journals Lancet and Vaccine do not support the claim that the MMR vaccine is responsible for the observed increase in incidence of autism in the United States and other countries since the 1970s. Numerous studies have shown no link between the MMR vaccine and autism. The other options (A, B, and C) have been shown to be contributing factors to the observed increase in autism incidence.

Based on the Scientific Evidence Presented in the Journals Lancet