Hello Doctor, I had 2 doubts regarding HIV. I took 4 HIV test as below after my sexual exposure. 53rd day PCR DNA negative84th day ELISA negative103rd day Rapid test negative155th day HIV test chord method negative1) Question: I want to know whether I am free from HIV or I need to take another test on next month ie) after 180 days 2) Question: May I know how long the HIV virus will live syringes ie) if HIV person blood is injected and the same syrengie used for another person injecting the blood hence virus will transmitted?

Dr. Jagdish Prasad MehrotraGeneral Physician42yrs exp

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Mr. lybrate-user ANSWER 1ST Q. YOU ARE HIV NEGATIVE IF YOUR PCR DNA TEST OF HIV IS NEGATIVE IN CASE YOU HAVE NOT EXPOSED YOURSELF TO UNPROTECTED SEX WITH HIV POSITIVE PERSON HOMOSEXUAL OR HETROSEXUAL By ANY ROUTE ANAL, ORAL VAGINAL. AFTER TEST YOU DO NOT NEED ANOTHER HIV TEST, BECAUSE ONCE NEGATIVE TEST WILL REMAIN NEGATIVE IF YOU DO NOT EXPOSE TO UNPROTECTED SEX. ANSWER 2. HIV VIRUS REMAIN ALIVE IN HERMETICALLY SEALED SYRINGE (MEANS AIR TIGHT SYRINGE) FOR 28 DAYS, NORMALLY HIV VIRUS DO NOT SURVIVE OUTSIDE THE BODY SHARING OF SYRINGE OF HIV POSITIVE PERSON IS AN AN EFFECTIVE WAY OF HIV TRANSMISSION. IT IS SAID THAT PERSON WITH LOW VIRAL LOAD CHANCES OR LESS BUT IF VIRAL LOAD IS HIGH IT IS 100% SURE TRANSMISSION.  

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