Originally Posted by USMCProbe
And I just got back from CAN for a visit to the doctor for my 3rd case of Guardia (traveler's diarrea)
Giardia. It's a bug we used to be able to tolerate; at least it wasn't as bothersome 100+ years ago; once we started ingesting purified water we eliminated whatever was inside of us the protected (many of) us. You might have just one extended case - the bug is difficult to kill off. You can get it anywhere you drink unpurified water. I expect the rural locals in China all have it but can tolerate it much better than you or I.