u will be surprised how often large outbreak of parasites infections there are in "developed world's" public water supply: Sweden [1], US [2]. CDC even has a we

u will be surprised how often large outbreak of parasites infections there are in "developed world's" public water supply: Sweden [1], US [2]. CDC even has a web page set up for Drinking Water-associated Disease Surveillance. [1] http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3966397/ http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3966397/ [2] https://en.wikipedia.org/w/index.php?title=Water_supply&section=25#Outbreaks_of_diseases_due_to_contaminated_water_supply https://en.wikipedia.org/w/index.php?title=Water_supply&sect...