A common virus might explain the high rates of breast cancer in developed countries, a New Zealand researcher says.Otago University’s Christchurch School of Medicine and Health Sciences associate professor Ann Richardson and colleagues recently received a $NZ30,000 ($A27,800) grant from the Canterbury Medical Research Foundation to delve into a possible link between breast cancer and two viruses which strike most New Zealanders after childhood.The viruses - cytomegalovirus (CMV) and epstein-barr virus (EBV) - generally produce no symptoms, but occasionally cause glandular fever.
