francisella tularensis causes tularemia disease

bacterium tularemia fever scattered epidemic rodent hare science contamination microbiology research health shape three dimensional cut infectious disease healthcare medicine pathogen rod gram stain francisella tularensis biohazard symbol micro organism scientific imaging technique biology medical clinic closeup illness condition biological cell structure deer fly bacterial pandemic macro emergency treatment sickness diagnosis bacteria microbes coccus rabbit infection isolated infect microorganism rodshaped ology infected gramnegative 3d diseases rendering care