Information may be derivatively classified in two ways: (1) through the use of a source document, usually correspondence or a publication generated by an OCA; or (2) through the use of a classification guide.. Derivative classification actions utilize information from the original category of classification. Every derivative classification action is based on information where classification has already been determined by an OCA.
Syphilis, hepatitis and herpes are tested from a blood sample, unless you have an open sore â then the syphilis and herpes tests are gathered from rubbing a cu-tip on the sore. You will receive the results of your STD test back within 7 to 10 days.
How Soon Can I. For STDs After Unprotected Sex. The time frame for taking an STD test varies based on the incubation period for the infection and can differ from person to person. Check out the list below to find out the best time to take an STD test for the most common sexually transmitted diseases.