A study of 17 pregnancies in symptomatic women with laboratory-confirmed Zika virus infection and adverse fetal outcomes in Colombia and a summary of eight published studies of 37 pregnancies reported a median of 18 weeks from symptom onset to prenatal diagnosis of microcephaly
Department of Health and Human Services.
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Data from outbreaks before indicated that Zika virus RNA was detected in serum for up to 7 days after symptom onset 17.
An accepted medical diagnosis?
Researchers are studying the reasons why many STIs have no symptoms, which can delay diagnosis.
The optimal timing and frequency for testing asymptomatic pregnant women with NAT alone is unknown; NAT for asymptomatic pregnant women should be informed by jurisdictional trends in Zika virus transmission, the duration of ongoing possible exposure during pregnancy, and data on the duration of Zika virus RNA detection in body fluids.
Other contributing factors include multiple living situations and transient caregivers, some of whom may be pedophiles.