The United States has not been affected by the Zika virus, but outbreaks have already been documented in Puerto Rico, Mexico, Central America, South .\r
\r
Women in Brazil are being urged to postpone pregnancies - as a mosquito-borne virus spreads through Latin America and the Caribbean. The Zika virus causes .\r
\r
\r
\r
In 2015, Brazil recorded nearly 3000 cases of microcephaly, a debilitating neurological disorder where newborn babies have an abnormally small brain.\r
\r
Brazil says thousands of babies have been born with abnormally small heads --- since October. The health system is struggling to cope with the outbreak linked .