It may be impossible to tell with complete certainty where a disease will be an issue, but most people can agree on the conditions that can lead to disease. These conditions, otherwise known as the Disease Triangle, include a susceptible host, a conducive environment and a pathogen. When those three things collide, there will be a disease issue.
Though we can see the triangle forming, we can’t always predict how strong the pathogen will spread or how strong it will be. Because we are unable to make this prediction, prevention and planning are key to stopping the spread of diseases.(more…)