Google Search reveals impact of chickenpox shots
A sharp drop in Google searches on chickenpox has revealed that immunisation efforts to get rid of the common childhood disease have worked well in several countries.
May 31, 2016, 15:14 PM IST
A sharp drop in Google searches on chickenpox has revealed that immunisation efforts to get rid of the common childhood disease have worked well in several countries.
May 31, 2016, 15:14 PM IST