Tracking Worms Troubles to Monitor a Country’s Health
  By DONALD G. McNEIL Jr.
  The index, which compares the world’s 25 most populous countries by how big a problem they have with three types of worms, had some surprises.
  Published: May 4, 2015 at 08:00PM
  from NYT Health http://ift.tt/1JMmxca
  Tracking Worms Troubles to Monitor a Country’s Health DONALD G. McNEIL Jr. The index, which compares the world’s 25 most populous countries by how big a problem they have with three types of worms, had some surprises. http://ift.tt/1JMmxca Health The New York Times May 4, 2015 at 08:00PM