human
What are the latest news about the Zika virus?
assistant
The latest news about the Zika virus is that it has been declared a global health emergency by the World Health Organization. There have been over 1 million confirmed cases of Zika in the Americas, with Brazil being the hardest hit country. Scientists believe that there could be up to 4 million people infected with the virus in Brazil alone. In addition to this, scientists have discovered a link between Zika and microcephaly, a birth defect that causes babies to be born with abnormally small heads.