Question

Several patients in a local hospital are suddenly complaining of similar infectious-disease symptoms. Which of the following is TRUE?

	A.	An epidemiologist would trace the chain of transmission.
	B.	The hospital's ventilation system could transmit the pathogen.
	C.	A biofilm in the hospital's main water supply system may be a reservoir.
	D.	The source of infection could be an antibiotic-resistant pathogen in the nasal passages of a janitor.
	E.	All of the above are true.

Answer 1

Question

The patients in the hospital are suddenly complaing of similar infection. This indicate that all patients are affected from same disease causing organism or pathogen. So, a biofilm in the hospital water supply could be the source of infection. Hence, option c is correct.