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Contamination of the water supply can infect large numbers of people using a common water source. The source of this contamination is often difficult to locate.
Contamination of the water supply can infect large numbers of people using a common water source. The source of this contamination is often difficult to locate.
==Test yourself with the Cryptosporidia Flashcards==
[[Cryptosporidia Flashcards]]
[[Category:Miscellaneous_Protozoa]]
[[Category:Miscellaneous_Protozoa]]