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).
There is about $1.2 trillion dollars of U.S. currency in circulation. The Federal Reserve Banks distribute new currency for the U.S. Treasury Department, which prints it.