There are new concerns about the Zika virus, which is now affecting more than 30 countries.
We're learning a possible vaccine is more than a year away.
Our Chief Health Editor Dr. Partha Nandi has the latest developments in the video player above.
There are new concerns about the Zika virus, which is now affecting more than 30 countries.
We're learning a possible vaccine is more than a year away.
Our Chief Health Editor Dr. Partha Nandi has the latest developments in the video player above.