Zika Symptoms May Not Be Static

About a third of children exposed to the Zika virus in utero suffered from neurological problems, according to follow-up study published yesterday in Nature Medicine.
 
That was true even for some babies not born with the disease’s hallmark microcephaly, The Washington Post explains. Fewer than 4% of the group of 216 children studied had microcephaly. And, 2 children born with microcephaly developed normal head circumference by age 1; conversely, 2 measured normally at birth but developed microcephaly later—showing that “microcephaly is not necessarily static,” says lead author Karin Nielsen-Saines, a professor at UCLA’s David Geffen School of Medicine, in a news release.
 
The research by UCLA scientists and Brazilian and European colleagues shows the importance of ongoing surveillance: A large percentage of children without microcephaly still developed neurological problems.

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