_____ cause(s) mild and limited disease, whereas _____ cause(s) more severe disease and higher mortality
a. Antigenic drift; antigenic shift
b. Antigenic shift; antigenic drift
c. Epidemics; pandemics
d. Pandemics; epidemics.
A
Health & Biomechanics
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The Centers for Disease Control and Prevention defines ____________________ as "refraining from sexual activities which involve vaginal, anal, and oral intercourse."
Fill in the blank(s) with correct word
Health & Biomechanics
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Health & Biomechanics
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Answer the following statement true (T) or false (F)
Health & Biomechanics