Two STDs caused by bacteria are:
1. Gonorrhoea: it is caused by Neisseria gonorrhoeae.
Symptoms:
a. Discharge of pus from penis and vagina
b. Burning sensation on urinating
2. Sypilis: It is caused by bacteria Treponema pallidum.
Symptoms of syphilis:
a. Appearance of sore on body parts
b. Fever, ulcer, bone pain, liver disease and anaemia.