Figure 3From: Human metapneumovirus induces more severe disease and stronger innate immune response in BALB/c mice as compared with respiratory syncytial virusCellular infiltration of the lungs after HMPV or RSV infection. (A) Total BAL cells in HMPV-, RSV-, and mock-infected mice. (B) Differential count of BAL cells from HMPV- and RSV-infected mice after Giemsa staining. Ly, lymphocytes; Mac, macrophages; Neu, neutrophils. * P < 0.05, ** P < 0.01, ***P < 0.001 (n = 4–10)Back to article page