Seattle expert: Brain damage is unusually severe in Zika cases

Daniele Ferreira dos Santos feeds her son Juan Pedro, who suffers from microcephaly, as they wait to be examined at the Altino Ventura Foundation, a treatment center that provides free health care, in Recife, Pernambuco state, Brazil, Thursday, Feb. (AP Photo/Felipe Dana)

A Seattle expert in microcephaly, the devastating birth defect that appears linked to Zika virus infections in Brazil, said he’s seeing a pattern of cases that are unusually severe, raising worrisome questions about the outbreak.

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