HIV combined with other STDs can be a dangerous mix.
D018562:Disease Transmission, Infectious; D005260:Female; D006069:Gonorrhea / Q000150:complications / Q000453:epidemiology; D015658:HIV Infections / Q000150:complications / Q000453:epidemiology / Q000635:transmission; D006801:Humans; D008297:Male; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious / Q000453:epidemiology*; D015995:Prevalence; D012309:Risk-Taking; D012749:Sexually Transmitted Diseases / Q000453:epidemiology* / Q000517:prevention & control; D013587:Syphilis / Q000150:complications / Q000453:epidemiology; D014481:United States / Q000453:epidemiology