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Home Q & A Board Biology-Related Homework Help Medicine Immunology
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k123p k123p
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6 years ago
Which of the following is true of the Salk vaccine against the polio virus?
 A) It contains a virus which has been inactivated by treatment with formaldehyde.
  B) It contains a mutated form of the virus which is temperature sensitive.
  C) It contains a very small amount of the natural virus.
  D) None of the above is correct.
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gool34gool34
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6 years ago
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k123p Author
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6 years ago
This calls for a celebration Person Raising Both Hands in Celebration
Helpmeplease11
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Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
jmendoza
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2 hours ago
Helped a lot
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