Trichomoniasis is a sexually transmitted infection (STI) which is most often spread through vaginal, oral, or anal sex. It can also spread through genital touching. People who are infected may spread the disease even when symptoms are not present.
The manufacture of US paper currency is handled by the Bureau of Engraving and Printing (BEP). The main facility is in Washington, DC. There is a also a facility in Fort Worth, TX that is more recent (opened in 1991).
The largest form of U.S. currency now in circulation is the $100 bill, according to the U.S. Department of the Treasury's Web site (www.ustreas.gov). The largest denomination ever produced was the $100,000 Series 1934 Gold Certificate.