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(a) Cryptosporidiosis rates of reported cases for demographic sub-populations in Boston in 1995. Other than the slight delay in development of symptoms for adults, each sub-population in Boston was found to be equally affected. (b) Giardiasis rates of reported cases for demographic sub-populations in Boston in 1995. Other than the slight delay in development of symptoms for adults, each sub-population in Boston was found to be equally affected.
