Headlines:

Hundreds mistakes in Zika tests occurred at the Public Health Laboratory in Washington

District health officials in Washington mishandled Zika testing for hundreds of residents last year, including two pregnant women who were incorrectly told they did not have the virus when in fact they were infected. The fact was made public Thursday.

409 specimens from  July 14 to December 14, 2016, that had previously been deemed negative for Zika have had to be re-tested by the Centers for Disease Control and Prevention (CDC) or CDC-approved labs. Doctors offices, hospitals, clinics, and other healthcare organizations in the Washington, DC, area have been sending specimens to the Public Health Laboratory for testing, in the specified interval but an error occurred. Of the 409 specimens, 294 were from pregnant women. A mistake on a test could dramatically alter the course of  lives blocking time-sensitive decisions. It’s just what happened. Results for all retested specimens are expected within three to four weeks. The District appears to be the only jurisdiction in the country with this problem, CDC officials said. They described the error linked to a complicated test that involved multiple calculations and said the problem was essentially a math mistake.

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