Usually, for a positive test, to come back in for treatment. Some doctors don't have a phone system and some secretaries don't do their jobs so it's best to go in and ask for a copy of all of your test results--always.If the doctor said you had chlamydia and didn't mention the others, then she is inferring that you don't have anything else. They like to make sure you hear negative HIV and usually confirm that you know. Some STDs have a high incident of false negatives (not hiv, but others like herpes 2 blood test). Follow up iwth your chlamydia--sometimes one round of antibiotics is not enough.