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Researchers Propose Theory For Why Fewer Zika-Related Microcephaly Cases Recorded In Brazil Last Year

STAT: Why were there fewer microcephaly cases from Zika last year?
“…A new and intriguing letter to the New England Journal of Medicine offers a theory for how to explain the missing microcephaly cases, the babies that were predicted to be born in Northeastern Brazil after Zika’s second wave of infection in the early part of 2016. The authors suggest the region’s first wave of Zika may have been its only wave of Zika to date. Something that caused similar illness, likely the chikungunya virus, was probably responsible for the high level of fever and rash illnesses Brazil recorded in 2016, they theorized…” (Branswell, 3/29).