Herd immunity describes
A) the social phenomenon of vaccine refusal reinforced by internet memes and social media
B) the process of immunizing animals so that people do not acquire zoonotic diseases.
C) the temporary immunity an infant receives from its mother during gestation and from breastfeeding.
D) the process of spacing out vaccinations in infants to just one per doctor's visit.
E) the protection conferred to non-immunized people when a sizable portion of the rest of the population is immunized.
Answer: E
You might also like to view...
Suppose you found several Drosophila mutants that possessed additional legs growing out of their head segments. The probable mutation would be found in _____
A) segment-polarity genes B) gap genes C) pair-rule genes D) homeotic genes
Which one of the following methods of antimicrobial susceptibility testing is the most accurate? (Note: information about susceptibility testing can be found on the CD-ROM that accompanies this book.)
A) agar dilution method B) disk-diffusion method C) macro broth dilution method D) micro broth dilution method
Consider a virus whose genome is composed of minus (-) sense RNA (for example, the rabies virus). What would be the first step in the biosynthesis of this virus?
a. Synthesize mRNA from the - sense RNA genome b. Synthesize mRNA from a DNA template c. Synthesize DNA from the RNA template d. Synthesize proteins from the mRNA template
Turbellarian flatworms have a distinct head. When comparing the heads of these flatworms to insect heads, what is it missing?
A. Sensory organs B. Anterior collection of nerve cells C. A mouth D. Light sensitive structures