Why do doctors suggest people get a flu vaccine every year?
A. viruses replicate more rapidly over time.
B. viruses can mutate from year to year.
C. vaccines are absorbed by the body after a year
D. vaccines get stronger over time.
Select your answer:
Topics:
Skin Appendages Cardiovascular Diseases Forensic Pathology (Autopsy) Assessment Nephrology (Hemodialysis) The Cardiovascular System OCR A-level Heterotrophic Nutrition Vocabulary - Health Eyes and Hearing Molecular Biology Blood Groups Psychology, Psychiatry, & Social Work Hearing Impairment Health and Diseases Body Movements PBS Routine TestingOther quiz:
Immune System › ViewThe type of immunity that is produced in response to a specific pathogen infecting your body is called
A. genetic immunity
B. inherited immunity
C. active immunity
D. passive immunity
Life Processes › View
The action of bile can be termed as:
A. Esterification
B. Hydrogenation
C. Emulsification
D. Oxidation