Carcinogen Alphabet: “J” for JC Polymoavirus (JCV)
Polyomaviruses are small, nonenveloped DNA viruses, which are widespread in nature. Human polyomaviruses are commonly found in the population and generally do not produce noticeable symptoms.

There is currently inadequate evidence in humans for the carcinogenicity of JC Polyomavirus. There is sufficient evidence in experimental animals for the carcinogenicity of JC Polyomavirus. JC Polyomavirus is possibly carcinogenic to humans (Group 2B).
In support of the “No Time to Lose” Campaign the SEL Group will be running an “Alphabet of Carcinogens” campaign and each week we shall release details regarding a different well known carcinogen.