Studies Examine Links Between Zika, Microcephaly, Guillain-Barre Syndrome

CIDRAP News: Study bolsters Zika-microcephaly link, rules out others
“A new Brazilian study adds further evidence to the link between Zika and microcephaly while ruling out for the first time an association between microcephaly and an important insecticide and between the condition and vaccines. In a final report of the case-control study, which was published [Tuesday] in The Lancet Infectious Diseases, investigators analyzed data on 91 babies born with microcephaly last year (the cases) and 173 babies born with no microcephaly (matched controls) in Recife, a city in northeastern Brazil that was hit hard by the virus in 2015 and 2016…” (Wappes, 12/13).

Reuters: U.S. study sheds light on how Zika causes nerve disorder
“A new study sheds light on how the mosquito-borne Zika virus causes a rare neurological condition, and the findings could have implications for companies working on Zika vaccines, U.S. researchers said on Wednesday. … To study the nerve disorder, Dr. Tyler Sharp of the U.S. Centers for Disease Control and Prevention’s Dengue Branch in San Juan and colleagues in Puerto Rico examined the rare case of a 78-year-old man from San Juan who had been infected with Zika in 2016, developed Guillain-Barre and subsequently died…” (Steenhuysen, 12/13).