recommend vigilant screening laboratory animals to be used in research facilities either through serum samples or cell line aliquots, as well as ensuring adequate ventilation in housing areas and use of appropriate sanitation products. Other practices to reduce cross-contamination in rodents include washing hands or changing gloves between animal care activities, thoroughly decontaminating cages before reusing them, and avoiding housing healthy rodents in the vicinity of potentially infected rodents. Other animals
Although the house mouse (Mus musculus) is the primary reservoir host for LCMV, it is also often found in the wood mouse (Apodemus sylvaticus) and the yellow-necked mouse (Apodemus flavicollis). Hamster populations can act as reservoir hosts. Other rodents including guinea pigs, rats and chinchillas can be infected but do not appear to maintain the virus. LCMV has been shown to cause illness in New World primates such as macaques, marmosets and tamarins. Infections have also been reported in rabbits, dogs and pigs. After experimental inoculation, the incubation period in adult mice is 5 to 6 days. Congenitally or neonatally infected mice and hamsters do not become symptomatic for several months or longer. Mice
A study conducted by John Hotchin and Heribert Weigand, of the New York State Department of Health, concluded, "The age of the mouse when first exposed to the virus determines its immune response." If LCMV infection occurs in utero or within the first few hours of life, during the immunologically unresponsive period, the mouse will develop immune tolerance. The virus will continue to proliferate for an indefinite time.
Steatocystoma simplex is a skin condition characterized by a skin lesion that occurs with equal frequency in adult women and men, and is typically found on the face, trunk, or extremities. : 679  It is related to Steatocystoma multiplex. == References ==