Because the Gut Microbiome Is a Tremendously Diverse Population, an Infection

Because the gut microbiome is a tremendously diverse population, an infection can be viewed as _______.

A) a shift in the relative proportions of the microbes in this environment
B) an increase in the overall number of microbes in the gut
C) the presence of helminths instead of the normal bacteria in the gut
D) a change in a person's enterotype