Souris mice are not able to control LCMV infection. Mice were infected with 200 pfu LCMV, and virus titers were determined 4, 8, and 12 days after infection. (A) Splenic virus titers on day 4, day 8, and day 12 after infection. Pooled data for 3 to 5 individual mice per group from 2 independent experiments. (B) Hepatic and pulmonary virus titers on day 8 and day 12 after infection. Graphs represent mean ± SD of 3 to 5 mice per group obtained in 2 independent experiments. The dashed line indicates the detection limit.