A Survey on the Natural Infection of Murine Cytomegalovirus in Laboratory Mouse Colonies in China

Up to present, few was reported about the natural infection of murineeytomegalovirus(MCMV) in laboratory mice. Based on the experimental infection of MCMV, we made a survey on the natural infection of MCMV in 10 common used strains of mice It was found that of 334 samples of submaxllary gland homogenate, none were positive for viral isolation, whereas specific anti-MCMV antibodies were found in 10.9-87.50% of different strains of mice. There were tendencies of increase in antibody positive rates as the mice...