“Even Koch had to modify or bend the strictest interpretation of the first postulate. Koch discovered asymptomatic carriers of Vibrio cholera and Salmonella typhi, yielding the important distinction between asymptomatic clinical colonization and infection. Thus the field of inquiry into the intricate host-pathogen relationship was born.” https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3775492/ There has been quite a bit of debate between those who … Continue reading Koch’s Postulates and the Great Asymptomatic Escape