An official strike is a strike organised and recognised by a labour union, as opposed to an unofficial strike at grassroots level. An official school is a school administered by the government or by a local authority, as opposite to a private school or religious school. [citation needed]
Trichomoniasis, sometimes called trich (pronounced trick), is a common sexually transmitted infection (STI) that affects both females and males, but symptoms are more common in females. Trichomoniasis is caused by the single-celled protozoan parasite, Trichomonas vaginalis. The vagina is the most common site of infection in girls and women, and the urethra (urine canal) is the most common site of infection in boys and men. The parasite is sexually transmitted throughsex (penis-to-vagina or vulva-to-vulva contact) with an infected partner.
HPV is the most common STD/STI. More than 40 HPV types exist, and all of them can infect both men and women. The types of HPVs vary in their ability to cause genital warts; infect other regions of the body, including the mouth and throat; and cause cancers of the cervix, vulva, penis, and mouth.ere are descriptions of some of the most common and well known: Chlamydia Gonorrhea Genital Herpes HIV/AIDS Human Papillomavirus (HPV) Syphilis Bacterial Vaginosis Trichomoniasis Viral Hepatitis Chlamydia Chlamydia1 (pronounced kla-MID-ee-uh) is a common STD/STI caused by the bacterium Chlamydia trachomatis.