A 70-year-old nursing home patient refused the influenza vaccine and subsequently developed influenza. She died of acute pneumonia 1 week after contracting the “flu.”The most common cause of acute post influenzal pneumonia is
Staphylococcus_
aureus
Vibrio genus involves many species, only some serotypes of V.cholerae are pathogens of cholera. Which of the following causative agents of cholera?
V.cholerae serogroups non O1 and non O139
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