As diseases go, Zika virus was always considered minor league.
It didn’t make people all that sick; most infected people had no symptoms at all. Zika was confined to a relatively narrow belt that ran from equatorial Africa to Asia.
Today, Zika has spread to Central and South America and is linked to an alarming increase in once-rare birth defects in Brazil. Although Zika was first diagnosed in Brazil in May, it’s been linked to more than 3,500 cases of microcephaly, in which infants are born with small heads and immature brain development.
Diseases spread by insects “are the next big threat to the Western Hemisphere
diseases spread by insects “are the next big threat to the Western Hemisphere