The interval between HIV infection and the appearance of detectable antibodies in the blood is called the
Correct answer: A. window period
- A. window period
- B. latent phase of AIDS
- C. incubation of tuberculosis
- D. vaccination period
Explanation
During the window period, which may last weeks to a few months, antibody tests can miss the infection even though the person is already infectious. This is why blood banks also use nucleic acid tests to shorten the risk.
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About Viruses
Viruses are acellular infectious particles made of genetic material enclosed by a protein capsid, sometimes with a lipid envelope. Their replication depends on a host cell and may follow lytic or lysogenic cycles, so viral structure and reproduction differ fundamentally from those of cellular organisms such as bacteria.
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