Pathogen It is generally caused by streptococcus, colibacillus,staphlococcus The special pathogens are chlamydia trachomatis,neisseria gonorrhoeae,human papillary virus (HPV)and herpes simplex,etc. Above the special pathogens may be caused by sexual route Pathogen  It is generally caused by streptococcus, colibacillus, staphlococcus  The special pathogens are chlamydia trachomatis, neisseria gonorrhoeae, human papillary virus (HPV) and herpes simplex, etc. ( Above the special pathogens may be caused by sexual route )