This week, a rash of microcephaly cases have led to calls for tighter regulation and more stringent testing for Zika infections.
And that, the World Health Organization says, is exactly what Zika is trying to do.
This week, a rash of microcephaly cases have led to calls for tighter regulation and more stringent testing for Zika infections.
And that, the World Health Organization says, is exactly what Zika is trying to do.
