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The world is on the verge of eradicating polio. From 3,50,000 cases across 125 countries in 1988, it dropped to two dozen cases last year. The new strategy against the scourge is sewage surveillance, which offers a window to fight other infectious diseases too.

Fight disease, enter the sewage: A sample that can save millions

There is no scope for complacency in the campaign against the polio virus. Recurrence is possible as infections remain...

3 Nov 2018 7:15 PM

Industries that profit from treating diseases shun prevention, which has proved to be the most inexpensive .

Prevention better than cure if not for profits

Prevention is not better than cure when your profits depend upon people getting sick.

3 Nov 2018 7:14 PM