Correlation of Survival from Murine Cytomegalovirus Infection with Spleen Cell Responsiveness to Concanavallin A

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Abstract
Spleen cells from nonlethally MCMV-infected weanling and adult DBA/2 mice had diminished responses to Con A stimulation. In contrast, only lethal MCMV infections were associated with a complete suppression of the Con A response. The immune response to SRBC was depressed even in asymptomatic infections of weanling and adult mice. A marked maturation of resistance to the lethal effects of MCMV infection was found to occur during the fourth week of life.