text:  SM019_6.2_Tnfrsfb1_mock_d7_3 lung, Tnfrsf1b KO, mock infected, day 7 strain/background: C57BL/6J; genotype: Tnfrsf1b KO; gender: female; age: 10 weeks; tissue: lung; treatment: mock infected; time of sample collection: day 7 post-infection