But Zika wasn't linked to high
rates of microcephaly until a Brazil outbreak in 2015 and 2016.
In their follow up modelling study they reported Zika virus infection during the first trimester of pregnancy led to higher than expected
rates of microcephaly.
Not exact matches
Even as the Zika virus becomes more prevalent — the Centers for Disease Control reports that the number
of U.S. infants born with
microcephaly and other birth defects is 20 times over the normal
rate — researchers are still trying to fully pin down the identifying consequences
of the viral infection.
The
rate of infants and fetuses who had
microcephaly in Colombia from 2015 to the end
of 2016 is shown with a dotted line.