Most HIV transmission occurs from people who think they are HIV negative, but are living with undiagnosed HIV. This is because when someone is diagnosed, they are offered treatment soon after which reduces the virus to clinically undetectable and untransmittable levels.
This is why testing and knowing your HIV status is important.

If you are sexually active you should test as often as every three months. This is because  tests are most accurate three months after exposure to HIV. If you are not sexually active or in a monogamous relationship, we advise testing once a year.

If you think you might have an STI you should visit a sexual health (GUM) clinic so that you can test and start treatment as soon as possible.


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