Table 11.   Adult/adolescent AIDS cases by single and multiple exposure
  categories reported through September 1992, United States

                                                                  AIDS cases

EXPOSURE CATEGORY                                                 No.     (%)

 Men who have sex with men                                    131,839    (55)
 Injecting drug use                                            46,354    (19)
 Hemophilia/coagulation disorder                                1,318     (1)
 Heterosexual contact                                          14,643     (6)
 Receipt of blood transfusion, blood component, or tissue*      4,833     (2)
 Other/undetermined**                                           9,498     (4)

 SINGLE MODE OF EXPOSURE SUBTOTAL                             208,485    (88)


 MULTIPLE MODES OF EXPOSURE

 Men who have sex with men; injecting drug use                 13,620     (6)
 Men who have sex with men; hemophilia                             57     (0)
 Men who have sex with men; heterosexual contact                2,777     (1)
 Men who have sex with men; receipt of transfusion              2,080     (1)
 Injecting drug use; hemophilia                                    57     (0)

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Volume  5, Number  5                                          December  5, 1992

 Injecting drug use; heterosexual contact                       6,833     (3)
 Injecting drug use; receipt of transfusion                       901     (0)
 Hemophilia; heterosexual contact                                  10     (0)
 Hemophilia; receipt of transfusion                               612     (0)
 Heterosexual contact; receipt of transfusion                     578     (0)
 Men who have sex with men; injecting drug use; hemophilia         16     (0)
 Men who have sex with men; injecting drug use; heterosexual
      contact                                                   1,192     (1)
 Men who have sex with men; injecting drug use; receipt of
      transfusion                                                 320     (0)
 Men who have sex with men; hemophilia; heterosexual
      contact                                                       4     (0)
 Men who have sex with men; hemophilia; receipt of
      transfusion                                                  25     (0)
 Men who have sex with men; heterosexual contact;
      receipt of transfusion                                      130     (0)
 Injecting drug use; hemophilia; heterosexual contact              12     (0)
 Injecting drug use; hemophilia; receipt of transfusion            23     (0)
 Injecting drug use; heterosexual contact;
      receipt of transfusion                                      287     (0)
 Hemophilia; heterosexual contact; receipt of transfusion          13     (0)
 Men who have sex with men; injecting drug use; hemophilia;
      heterosexual contact                                          2     (0)
 Men who have sex with men; injecting drug use; heterosexual
      contact; receipt of transfusion                               5     (0)
 Injecting drug use; hemophilia; heterosexual contact;
      receipt of transfusion                                       48     (0)

 MULTIPLE MODES of EXPOSURE SUBTOTAL                           29,610   ( 12)

 TOTAL                                                        238,095   (100)

  * Nineteen adults/adolescents and 2 children developed AIDS after receiving
    blood screened negative for HIV antibody.  Five additional adults develope
    AIDS after receiving tissue or organs from HIV-infected donors.  Two of th
    5 received tissue or organs from a donor who was negative for HIV antibody
    at the time of donation.
 ** "Other" refers to 7 health-care workers who developed AIDS after occupa-
    tional exposure to HIV-infected blood, as documented by evidence of
    seroconversion; and to 2 patients who developed AIDS after exposure to HIV
    within the health-care setting, as documented by laboratory studies.
    "Undetermined" refers to patients whose mode of exposure to HIV is unknown
    This includes patients under investigation; patients who died, were lost t
    follow-up, or refused interview; and patients whose mode of exposure to HI
    remains undetermined after investigation.

Health InfoCom Network News                                             Page 46
Volume  5, Number  5                                          December  5, 1992