STIs are infections that get passed from intimate contact and are caused by viruses, bacteria etc. They can be cured by the proper treatment and some of them can only be managed.
STIs are viral or bacterial infections that can be passed due to unprotected intimate contacts or due to the infection from the infected person.
Some of the STIs like gonorrhoea, syphilis and chlamydia can be cured by the use of antibiotics and other prescribed antiviral medicines but some others like hepatitis B, HSV, HPV and HIV cannot be cured and can only be treated to relieve some of the symptoms.
Therefore, option A. some can be cured and some can only be managed is the true statement for the STIs.
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