Figure 6From: Virulence phenotypes of low-passage clinical isolates of Nontypeable Haemophilus influenzae assessed using the chinchilla laniger model of otitis mediaDifferences in mortality. Kaplan-Meyer plots showing the differences in mortality induced by the 10 NTHi strains, PittAA-PittJJ. X-axis = time in days following inoculation; Y-axis percentage of surviving animals.Back to article page