It is more effective as a disinfectant than chlorine in most circumstances against waterborne pathogenic agents such as viruses,[REF] bacteria and protozoa - including the cysts of Giardia and the oocysts of Cryptosporidium [REF].
Sometimes chlorine dioxide is used as a fumigant treatment to "sanitize" fruits such as blueberries, raspberries, and strawberries that develop molds and yeast.