text: <unk><unk>  (PCP) is relatively rare in people with normal immune systems but common among people with weakened immune systems, such as premature or severely malnourished children, the elderly, and especially AIDS patients, in whom it is most commonly observed today. PCP can also develop in patients who are taking immunosuppressant medications (e.g. patients who have undergone solid organ transplantation) and in patients who have undergone bone marrow transplantation.
  The organism is distributed worldwide.
option_0: HIV opportunistic infection pneumocystis pneumonia: prevention and treatment guidelines
option_1: Bubonic plague/primary prevention
option_2: HIV coinfection with tuberculosis medical therapy
option_3: HIV opportunistic infection cryptosporidiosis: prevention and treatment guidelines
option_4: HIV opportunistic infection toxoplasma gondii encephalitis: prevention and treatment guidelines
option_5: HIV coinfection with tuberculosis prevention
option_6: Middle East respiratory syndrome coronavirus infection future or investigational therapies
option_7: HIV AIDS opportunistic infections