Cambodia has two more confirmed cases of A/H1N1 virus, bringing the total number of infection to six, Cambodian health officials said on Friday. Cambodia's first four cases of the new influenza A/H1N1 virus have been confirmed by the Cambodian National Influenza Centre ( NIC) and announced on Thursday. The new two more cases of A/H1N1 virus were confirmed on Friday, Ly Sovann, deputy director of the anti-communicable disease department at the Cambodian Health Ministry, told Xinhua by phone, adding that the two, one is a Khmer woman who had contacted with her relatives from abroad, and the other is a 53 -year- old Filipino arrived here on Wednesday. The first positive result was confirmed on Tuesday and three more late Wednesday evening. All the first four infected people are U.S. citizens and part of a student group which arrived in Phnom Penh last Friday. The patients are currently being isolated in a hospital in Phnom Penh. The other members of the group are still under voluntary observation for signs of infection. Cambodia's Ministry of Health and WHO continue to monitor very closely the situation and will remains a priority to keep the public well informed of any updates as they occur, he said. 