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Window period of DNA PCR testing for HIV - Online Doctor Chats

Date : 13-Jan-2012
User rating for this question
Very Good Posted in: HIV and AIDS
Answered by

General & Family Physician
Practicing since : 2008
Answered : 3631 Questions

Doctor :   hi
Doctor :   how can I help you?
User :   Hi, had a query regarding HIV tests
Doctor :   plz proceed
User :   What is the actual window period with 4th generation tests and DNA PCR testing?
User :   Also, are reputed labs like SRL Ranbaxy safe when it comes to using needles for drawing blood
Doctor :   the window period will vary from 7 days to 12 days
Doctor :   also the needles should be used only once, it is better to get a disposable syringe for the purpose
User :   So, if one has a DNA PCR and Antigen/ Antibody test at 60 days (9 weeks), can the person safely rely on the results
Doctor :   plz provide your age, gender, occupation
User :   31, Male, Professional
User :   The lab used a device called a Vacutainer
Doctor :   yes one can rely on the test if it is done after 9 weeks
Doctor :   vacutainer is good to use
User :   Is it safe?
Doctor :   yes but be sure that the seal is broken in front of you
Doctor :   take your precaution

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