The analysis of literature data and own researches results on hygienic estimation of chlorine dioxide adenovirulicidal action at water disinfection is presented. It is shown that adenoviruse titers at influence of the effective dozes of chlorine dioxide are the following: 106,2 TCD50 1,0 mg/l in cultivation 10-5; 107,2 TCD50 1,0 mg/l in cultivation 10-6; 108,2 TCD50 0,5 mg/l in cultivation 10-7. Application of chlorine dioxide as effective virulicidal means for potable water and sewage disinfection is proved.
