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A member asked:

The water in the river looks clean, can i still catch giardiasis if i drink it?

3 doctors weighed in across 2 answers

Yes: If a cow or racoon(or camper) did his/her poopy up stream there is the possibility that microscopic giardia cysts were part of that load.Boil the water for ten minutes & avoid the risk.

Dr Khondker agreed

Answered 12/9/2014

6.3k views

Thank

Yes it is possible: If the river has it in it. The microorganism is too small to be seen with the eye. You need to purify the water before drinking it.

Answered 9/11/2013

4.9k views

Thank

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