A 35-year-old member asked:
can an hiv antibody screening test be positive but the western blot negative?
1 doctor answer
Dr. Joel Gallant answered
35 years experience Infectious Disease
Yes: There are 2 reasons for this kind of result: (1) a false positive, or (2) early infection before seroconversion. In someone at low risk for HIV without symptoms, another negative WB in 1 month means there's no infection. In someone at risk or with symptoms of acute infection, a viral load can be helpful. The new 4th generation antigen/antibody tests will eliminate this problem.
Answered on Jun 10, 2014
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