A VIRUS that occasionally causes leukaemia may have a good side.
People in Kamigoto, Japan, have high rates of infection with , which can cause leukaemia. They also seem unusually free of stomach cancer, despite being no less likely than other populations to be infected with the bacterium that can trigger the disease.
When Satohiro Matsumoto of Narao Hospital in Nagasaki compared 500 residents carrying HTLV-1 and 500 free of the virus, (The Journal of Infectious…