Differential susceptibility to a viral agent in mice housed alone or in groups.

Adaptation, Psychological Animals Antibodies/analysis Behavior, Animal Body Temperature Body Weight Corticosterone/analysis Crowding Encephalomyocarditis virus/immunology,pathogenicity Female Handling, Psychological Immune Sera Interferons/analysis Male Mice Psychophysiology Sex Factors Stress, Physiological Viral Vaccines Virus Diseases/immunology,mortality

Antibodies Immune Sera Viral Vaccines Interferons Corticosterone