[The necessity of including Cryptosporidium oocysts among indicators of epidemic safety of drinking water].

The paper provides evidence that Cryptosporidium oocysts should be included as an indicator of the epidemic safety of drinking water in Russia. This is evidenced by the fact that there a wide spread of cryptosporidiosis in animals and man, of its causative agent in the environment; large global outbursts of the infection; no sanitary and parasitological drinking water monitoring in of the country, the use of the parasitological indicator to assess the drinking water in some countries (USA, UK, Ukraine, etc.).