82. Which of the following may produce an epidemic curve characteristic of a propagated source outbreak? A. Gastroenteritis brought about by a virus horizontally transmitted via direct contact B. Gastroenteritis caused by a sewage system leaking into a town’s water supply C. Gastroenteritis due to a contaminated batch of packaged food in grocery stores D. Gastroenteritis from a contaminated food item shared during a single meal
82. Which of the following may produce an epidemic curve characteristic of a propagated source outbreak?
A. Gastroenteritis brought about by a virus horizontally transmitted via direct contact
B. Gastroenteritis caused by a sewage system leaking into a town’s water supply
C. Gastroenteritis due to a contaminated batch of packaged food in grocery stores
D. Gastroenteritis from a contaminated food item shared during a single meal
83. Who among the following individuals may be considered a secondary case in an outbreak investigation?
A. Ana has elevated blood pressure secondary to acute gastroenteritis after attending a party.
B. Ian was infected by his roommate John, who was exposed to a patient zero while travelling.
C. Mary got infected with her classmates when they attended a meeting in a compromised venue.
D. Ted manifested symptoms of a communicable diseases when he got home from a trip abroad.
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