Unfortunately ... the need to be tested for the HIV is based on a person's last episode of engaging in unprotected sex and that person's risk factors (anonymous sex partners, multiple anonymous sex partners, drug usage, etc.).
I'm a realist. An individual can be tested one day and then engage in unprotected sex a week later. A test for the HIV administered on one day reveals nothing about a person's sexual behavior after the test has been administered.
Unless people make significant changes in their sexual behaviors where safe sex practices are a part of that behavior, HIV tests will continue to be viewed by many as inefficacious with an unintended consequence of apathy.
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