Doctors say the worst hit village in the area’s HIV outbreak appears to be Roka village where 12 percent of villagers tested so far have proven positive - 20 times the national rate.Cambodians are commonly treated with intravenous drips or injections for ailments.Officials attribute the spike in HIV infections here to an unlicensed medic reusing needles.The fake doctor, who practiced here for two decades, is awaiting trial.Seventy-two-year-old rice famer and commune councilor Serm Chom tested positive last month,as have at least a dozen family members, from infants to the elderly. He says people are angry.“First, we have lost our children to this. Second, we don’t have energy to earn a living and feed our families," Chom states."Third, I want to know the real reasons behind this. Also I want to see that doctor jailed.”The outbreak is a serious blow to HIV prevention efforts. Over the past 15 years, the infection rate has dropped from 2 percent to 0.6 percent.Cambodia’s battle against HIV is run from the government’s NCHADS office in Phnom Penh.The man at the helm, Dr. Mean Chhivun, says authorities are trying to determine if what happened in Roka Commune is an isolated incident.“So the reason why our near-future plan is to conduct the HIV prevalence study,