Multiple choice

Which is at present the major target for HIV vaccine efforts?

  1. Viral genome

  2. Envelope protein

  3. Reverse transcriptase enzyme

  4. Lipid membrane
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The envelope protein allows the virus to attach to the host surface, causing fusion of viral and host membrane and releasing the viral contents into the cell and initiating the infectious cycle. As proteins are highly antigenic and this is the sole viral surface protein, it is at present the major target for HIV vaccine efforts.

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