This week: @DrFriedenCDC said #Zika causes #microcephaly, #twitter followed
Following the publication of CDC’s paper evaluating the evidence for a causal link between Zika virus and microcephaly this week, twitter was alight with pronouncements that this link has been definitively established, at least based on the CDC authors’ interpretation of Shepard’s criteria for teratogenicity and Bradford Hill’s causal considerations. That a causal link has…