• Possible need for re-testing.
Ask participants why re-testing is necessary. Listen and confirm responses.
Reveal slide 12, and remind participants of the previous section in this module with its
emphasis on antibody development. Make the connection between antibody
development and the length of time it will take to get an accurate HIV test result.
Suggest that this time gap is often referred to as the window period after infection.
State that – at a minimum – providers should briefly explain that the accuracy of the
current test will depend on avoiding recent risk behaviour. The most succinct way to
teach about this is to emphasize the need for six weeks without possible exposure to be
certain of the test results. Note that about 90% of patients would be expected to
develop antibodies within the first six weeks after exposure, and
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