Studies suggest not all critters fare well in extreme weather, though some thrive.
When research is mobilized around combating a virulent infectious agent, risk-taking is inevitable. That has been true in the pursuit of a polio vaccine and a cure for smallpox, in the study of cancer-causing viruses, and most recently, in AIDS research. While the responsible course of action is to limit as much as possible the risks to investigators and laboratory technicians, those goals can only be accomplished within certain limits. Infectious organisms are opportunistic, always seeking n