incubation period for giardia
Giardiaâs incubation period is usually around 40 days in people. Most people are off the trail by the time they get sick, and they usually blame their diarrhea on the previous nightâs dinner rather than the crystal-clear unfiltered stream water from which they drank a month before.But enough about hikers.iardiaâs incubation period is usually around 40 days in people. Most people are off the trail by the time they get sick, and they usually blame their diarrhea on the previous nightâs dinner rather than the crystal-clear unfiltered stream water from which they drank a month before. But enough about hikers.