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kjm kjm
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6 years ago
Which of the following is the reason for mumps outbreaks among young adults?
 
  a. People had stopped getting immunizations for mumps and other diseases.
  b. The mumps vaccine is no longer effective against the agent because the virus had mutated.
  c. The mumps vaccine does not provide lifetime immunity.
  d. Thousands of ineffective contaminated vaccine doses had unknowingly been injected.
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MulattaMulatta
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6 years ago
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