A nurse is educating a community group about infection control and prevention. Which of the following should the nurse include as an example of vector-borne transmission?

A. Transmission of Escherichia coli from undercooked ground beef: This is an example of foodborne transmission, where pathogens are ingested through contaminated food. It does not involve a vector such as an insect or animal. B. Transmission of giardia from contaminated water: This represents waterborne transmission, occurring when pathogens are ingested through contaminated drinking or recreational water, not via a vector. C. Transmission of West Nile virus from a mosquito bite: West Nile virus is transmitted through the bite of an infected mosquito, which acts as a vector. This is a classic example of vector-borne transmission, where an organism carries and spreads a pathogen between hosts. D. Transmission of hepatitis A from a food handler who has the virus: This is an example of direct contact or foodborne transmission, occurring when an infected individual contaminates food. It does not involve a vector to transmit the infection.