The answer is B. Trichomoniasis
It's caused by a protozoan called trichomonas vaginalis, the most common pathogenic protozoan in industrialized countries.
there are about 160 million pople infected by this worlwide and it transmited sexually. For women the common symptomps ar vaginitis and urehtritis for men.
T cells attack antigens on foreign substances and B cells produce antibodies.
Could it be Birth control?
An unwanted physical or mental effect caused by a drug
