Infectious diseases. Beyond textbooks.
D017088:AIDS-Related Opportunistic Infections / Q000453:epidemiology*; D015658:HIV Infections / Q000453:epidemiology*; D006801:Humans; D015994:Incidence; D014376:Tuberculosis / Q000150:complications / Q000453:epidemiology*; D006113:United Kingdom / Q000453:epidemiology