Multiple Choice
The term antigenic drift refers to
A) mutation during genome replication resulting in minor antigenic change and relatively mild influenza outbreaks every 1 to 3 years.
B) reassortment of the segmented viral genome during co-infection in nonhuman animals, resulting in major antigenic change and periodic worldwide outbreaks.
C) what happens when human virus infects a cell at the same time as an animal influenza virus.
D) All of the above are correct.
Correct Answer:

Verified
Correct Answer:
Verified
Q1: Varicella-zoster virus, Epstein-Barr virus, and cytomegalovirus are
Q2: The test of choice for use with
Q3: During viral assembly, viral envelopes are acquired<br>A)by
Q5: Tzanck smears are prepared by<br>A)pressing a microscope
Q6: Immune status tests are used to<br>A)identify patients
Q7: Viruses can be stored by<br>A)freezing at 20°C.<br>B)freezing
Q8: Lip and genital specimens are most likely
Q9: Viral capsids are composed of many individual
Q10: Concerning the two immunofluorescence methods of diagnosing
Q11: Cytomegalovirus can be detected in clinical specimens