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20. Follow-up tests are recommended for HIV blood tests that come back negative because the:

A. tests are often wrong.

B. technology is not very good.

C. incubation period is unpredictable.

D. All of these choices are correct.

User Jodyann
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2 Answers

4 votes
D

Ayan sagot thanks me later,mahar...
User Adalle
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1 vote

Answer:

d. all of the choices are correct

User Xfx
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