People don't get tested for these unless they have symptoms. Do you?
Chancroid is usually only seen in developing countries. It causes ulcerations on the genitals. You'd know.
HTLV is RARE, and you'd still have symptoms. You'd know.
If you are in a developed country (the US, UK, etc), you really don't have to worry about these.
Your username indicates that you know you have some anxiety issues. Do you see a therapist for that? If you don't, please consider it. (I say that with only compassion, no criticism.)