Identify a major reason making it difficult to prevent the spread of hepatitis B

yusuki

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9 years ago

Identify a major reason making it difficult to prevent the spread of hepatitis B

Identify a major reason making it difficult to prevent the spread of hepatitis B.
a.   A vaccine is not available.
b.   The incubation period is too short to track contacts.
c.   Infection is often asymptomatic.
d.   Antibodies are not produced.

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monosaccharide

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yusuki Author

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9 years ago

I was really having a hard time with this question, thanks for the input.

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monosaccharide

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9 years ago

No problemo Smiling Face with Open Mouth

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