Media playback is unsupported on your device

Pilgrimages may offer clue to antibiotic resistance spread

24 July 2014 Last updated at 12:06 BST

Pilgrimages are common around the world. They are a key part of culture. But recent research has shown that there may be a hidden danger.

As more people gather, and the local infrastructure is exceeded, there is an increased risk that antibiotic resistance genes can spread between pilgrims.

Tushar Banerjee visited Rishikesh in the Upper Ganges to learn more about the work.

More stories from Health Check

BBC © 2014 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.