Even if he wasn’t thinking specifically about tularemia, Hans Zinsser knew well the danger that surrounds us. He cynically observed that “however secure and well-regulated civilized life may become, bacteria, Protozoa, viruses, infected fleas, lice, ticks, mosquitoes and bedbugs will always lurk in the shadows ready to pounce when neglect, poverty, famine or war lets down the defenses.”