Trichomoniasis is a common STI affecting women of reproductive age. In 2020, 156 million new cases occurred among 15-49 year olds globally. Most infections occur in Africa and Americas regions
Causes 15-20% of NGU and 40% of persistent urethritis. Often coexists with C. trachomatis in selected areas. No evidence of chronic complications in men
STIs are infections spread through sexual activity, especially vaginal, anal, or oral sex. Bacterial infections include chlamydia, gonorrhea, and syphilis. Viral infections include genital warts, herpes, and HIV/AIDS. Parasitic infections include trichomoniasis
M. genitalium is a small, sexually transmitted bacterium found in human urogenital tract. First isolated in 1981, identified as new species in 1983. Genome consists of 580,070 base pairs, making it one of smallest organisms. Can adhere to host cells using proteins P110 and P140
Syphilis is a sexually transmitted infection caused by Treponema pallidum bacteria. Disease presents in four stages: primary, secondary, latent and tertiary. Primary stage shows painless skin ulceration called chancre. Secondary stage causes rash and mucous membrane sores. Latent stage has no symptoms and can last years
Urethra transports urine from bladder to outside body. Male urethra is 18-20 cm long, divided into four parts. Female urethra is 4 cm long, located between clitoris and vaginal opening. Urethra lined with transitional cells proximally, stratified squamous distally