7. Answer the following questions,
a. Which vaccines are given to
infants? Why?
b. How is a vaccine produced?
c. How do antibiotics cure disease?
d. Are the antibiotics given to humans
and animals the same? Why?
e. Why is it necessary to safely store
the pathogens of a disease against
which vaccines are to be produced?
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A vaccine is a biological preparation that provides active acquired immunity to a particular infectious disease. A vaccine typically contains an agent that resembles a disease-causing microorganism and is often made from weakened or killed forms of the microbe, its toxins, or one of its surface proteins. The agent stimulates the body's immune system to recognize the agent as a threat, destroy it, and to further recognize and destroy any of the microorganisms associated with that agent that it may encounter in the future. Vaccines can be prophylactic (to prevent or ameliorate the effects of a future infection by a natural or "wild" pathogen), or therapeutic (to fight a disease that has already occurred, such as
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