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\textbf{Figure 7. Rescue of OS cockroaches with antibiotics after lethal dose of \textit{F. tularensis LVS}.}  Kaplan-Meier survival curves Groups  of OS cockroaches (n=???) were  infected with 3.4 x 10^6 CFU \textit{F. tularensis} LVS and treated with vehicle controls (A) or the indicated antibiotics (B-F) at 2, 48, and 96 hours post-injection. Solid blue lines represent indicate  groups treated with oral antibiotics. Dashed black lines represent indicate  groups treated by systemic injection. (A) Control groups that were  either injected with PBS or fed the a  sucrose solution without antibiotics all died within 7 days of infection. Streptomycin (B) and gentamicin (C) only  were protective when delivered systemically (p=0.00199 and p<0.001, respectively),  but not when delivered orally (p=0.00199 and p<0.001, respectively). orally.  There is no statistical difference between route of antibiotic delivery for doxycycline (E) and ciprofloxacin (F). Resazurin (D), a dye that has been shown to have anti-\textit{Francisella} properties \textit{in vitro} vitro},  failed to protect prevent cockroach death  by either route. Kaplan-Meier survival curves were compared by log-rank analysis.