CD4 and infection: Australian HIV Public Access Data Set include state, sex, year of HIV diagnosis, HIV exposure category, year of last negative HIV antibody test, year of HIV seroconversion illness and CD4 count at HIV diagnosis.[13] In UK, behavioral data include year of first sex, pregnancy history, likely route of infection, and location of infection (heterosexual), sexual orientation, number of partners, sex abroad, concurrent STI and previous gonorrhea.[14]