Q. Can a HIV infection be diagnosed immediately after the exposure to HIV?

Answered by
Dr. Sushma Shah
and medically reviewed by iCliniq medical review team.
This is a premium question & answer published on Jan 20, 2023

Hi doctor,

A person sneezed on my face, and there was sputum on my mustache area. I used my tongue to lick it unknowingly. The sputum was like a transparent white jelly. I am afraid that I will get HIV for licking it because the person who sneezed on my face is HIV positive. Can this cause HIV?

Please help.



Welcome to

I understand your concern. There is a possibility for the transmission of HIV (human immunodeficiency virus) infection. Therefore, I suggest you do one of the following tests:

1. ELISA (enzyme-linked immunosorbent assay) kit test - Seven to ten days after exposure.

2. RNA (ribonucleic acid) PCR (polymerase chain reaction) on the 15th day of exposure.

3. Fourth-generation CMIA (chemiluminescent microparticle immunoassay) kit test on the 28th day of exposure.

I hope this has helped you out.

Thank you.

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