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.
STDs do not always cause symptoms, so it is possible to have an infection and not know it. That is why it is important to get tested if you are having sex. If you are diagnosed with an STD, know that all can be treated with medicine and some can be cured entirely. There are dozens of STDs. Some STDs, such as syphilis, gonorrhea, and chlamydia, are spread mainly by sexual contact. Other diseases, including Zika and Ebola, can be spread sexually but are more often spread through ways other than sex.