ARCHIVED - Acquired Immunodeficiency Syndrome (AIDS)

Nationally notifiable since 1982

1.0 National Notification

Only confirmed cases of disease should be notified.

2.0 Type of Surveillance

Routine case-by-case notification to the federal level

3.0 Case Classification

3.1 Confirmed case

• one or more of the specified indicator diseases (see section 5.0)
  AND
• meeting the case definition of HIV infection

4.0 Laboratory Comments

See case definition of HIV infection.

5.0 Clinical Evidence

Indicator diseases for adult and pediatric cases:

• Bacterial pneumonia (recurrent)*
• Candidiasis (bronchi, trachea or lungs)
• Candidiasis (esophageal)*
• Cervical cancer (invasive)
• Coccidioidomycosis (disseminated or extrapulmonary)
• Cryptococcosis (extrapulmonary)
• Cryptosporidiosis chronic intestinal (> 1 month duration)
• Cytomegalovirus diseases (other than in liver, spleen or nodes)
• Cytomegalovirus retinitis (with loss of vision)*
• Encephalopathy, HIV-related (dementia)
• Herpes simplex: chronic ulcer(s) (> 1 month duration) or bronchitis, pneumonitis or esophagitis
• Histoplasmosis (disseminated or extrapulmonary)
• Isosporiasis, chronic intestinal (> 1 month duration)
• Kaposi’s sarcoma*
• Lymphoma, Burkitt’s (or equivalent term)
• Lymphoma, immunoblastic (or equivalent term)
• Lymphoma (primary in brain)
• Mycobacterium avium complex or M. kansasii (disseminated or extrapulmonary)*
• Mycobacterium of other species or unidentified species*
• M. tuberculosis (disseminated or extrapulmonary)
• M. tuberculosis (pulmonary)*
• Pneumocystis jirovecii (formerly Pneumocystis carinii) pneumonia (PCP)*
• Progressive multifocal leukoencephalopathy
• Salmonella septicemia (recurrent)
• Toxoplasmosis of brain*
• Wasting syndrome due to HIV

Indicator diseases that apply only to pediatric cases (< 15 years old):

• Bacterial infections (multiple or recurrent, excluding recurrent bacterial pneumonia)
• Lymphoid interstitial pneumonia and/or pulmonary lymphoid hyperplasia*

6.0 ICD Code(s)

6.1 ICD-10 Code(s)

B20-B24

6.2 ICD-9 Code(s)

042-044

7.0 Type of International Reporting

Informal sharing of data on a regular basis with the WHO, Pan American Health Organization and Joint United Nations Programme on HIV/AIDS

8.0 Comments

9.0 References

Case definitions for diseases under national surveillance. CCDR 2000;26(S3). Retrieved May 2008, from http://www.phac-aspc.gc.ca/publicat/ccdr-rmtc/00vol26/26s3/index.html

Date of Last Revision/Review:

May 2008

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* These conditions may be diagnosed presumptively; otherwise, definitive diagnosis is required. Criteria for presumptive and definitive diagnoses are provided on the back of the HIV/AIDS case report form.