Viruses can be cultivated into cell culture, embryonated egg. Which of the following tests is most accurate for indication of the influenza viruses in embryonated egg?
Hemagglutination test
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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