A model of chronic, transmissible Otitis Media in mice
Fig 4
Determining the infectious dose of B. pseudohinzii.
The colonization levels of the nasal cavity (filled circles) and middle ears (clear circles) in groups (n = 4) of mice 7 days after being inoculated from the external nares with serial dilutions of an estimated 8, 4, 2 and 1 CFU of B. pseudohinzii in 5 μl PBS.