Why Is It Possible to Prevent Rabies with Vaccine Given

question 10

Multiple Choice

Why is it possible to prevent rabies with vaccine given after exposure to the virus?

• A) The virus replicates extremely slowly. It is possible to prevent the disease by vaccinating while the viral load is very low.
• B) It takes some time for the virus to invade the peripheral neurons and travel to the CNS. Vaccination before this occurs will prevent the disease.
• C) It takes some time for the virus to invade the CNS and travel to the peripheral nerves. Vaccination before this occurs will prevent the disease.
• D) Rabies vaccine contains anti-rabies antibodies. These bind to the rabies and virus and destroy it before it is able to cause any neuronal damage.
• E) People receive a rabies vaccine in their childhood. Giving a vaccine after exposure to the virus quickly boosts their memory cell populations, protecting them.

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