4. Truth is what works at the time; it is not based in a strict dual-ism between the mind and a reality completely independent of the mind. Thus, in mixed methods research, investigators use both quantitative and qualitative data because they work to provide the best understanding of a research problem.
People who drink water or use ice made from places where Giardia may live (for example, untreated or improperly treated water from lakes, streams, or wells) Backpackers, hikers, and campers who drink unsafe water or who do not practice good hygiene (for example, proper handwashing)
Cysts of Giardia are present in the feces of infected persons. Thus, the infection is spread from person to person by contamination of food with feces, or by direct fecal-oral contamination. Cysts also survive in water, for example in fresh water lakes and streams.