What term best describes the relationship between E. coli in the human gut and the host?

What type of symbiotic relationship occurs when both organisms benefit from one another?

What is the main goal of studying the human microbiome?

Which of the following microorganisms are most likely to be found as resident microbiota in the human oral cavity?

A boy who had a ring-shaped rash in his groin was found positive for the fungus Malassezia. What term is used to describe this type of fungal infection of the skin? 

The following are known vectors of rabies, except:

Which of the following diseases are spread through both direct and indirect transmission:

A local infection can become a systemic infection when pathogens affect other organs through which pathway?

A young boy was brought to the hospital on August 17 for a stiff jaw, trouble breathing, and a high temperature, which appeared on August 16. The doctor diagnosed tetanus based on a physical exam, as he reportedly injured himself with a rusty nail on August 3. Metronidazole was given to the boy every six to eight hours for 7 days, and after keeping him for 3 more days, he was discharged on August 28. Identify the incubation period for this case of tetanus. 

Which stage of an acute infectious disease is characterized by the highest severity of symptoms and peak in pathogen numbers?

Identify which of the following statements is false.

Which of the following best explains why viruses often present a challenge to the first of Koch's postulates?