The Public Health Department Nurses Are Concerned the Community Is

The public health department nurses are concerned the community is experiencing an outbreak of Cryptosporidium. Which criteria must be met to define this outbreak as a water-associated disease outbreak?

A) Two or more people with laboratory-confirmed primary amebic meningoencephalitis
B) Two or more cases of chemical poisoning if water quality data indicate contamination by the chemical
C) Two or more people having experienced a similar illness after exposure to water
D) Epidemiologic evidence implicating drinking water as the probable source of the illness