Emerging Microbes & Infection
The microbial world is complex, dynamic, and constantly emerging. Infection causing organisms reproduce rapidly, mutate frequently and adapt with relative ease to their new surroundings. Because of these characteristics, infectious organisms are able to alter their epidemiology, their virulence, and their susceptibility to anti-infective drugs. All forms of infectious organisms—bacteria, viruses, parasites, and prions are able to emerge or re-emerge in human populations, and it is estimated that up to 70 per cent or more of all emerging infections have a source in animals.
of new microbes
· Epidemiology, organisms involved and transmission
· Disease reservoirs
· Direct and indirect mode of transmission
· The challenge of emerging and re-emerging infectious diseases.
· Relationship between virulence and survival