Volume 12, Number 4—April 2006
Research
1951 Influenza Epidemic, England and Wales, Canada, and the United States
Cécile Viboud*
, Theresa Tam†, Douglas Fleming‡, Mark A Miller*, and Lone Simonsen*
, Theresa Tam†, Douglas Fleming‡, Mark A Miller*, and Lone Simonsen*
Table 1
Codes from the International Classification of Diseases (ICD) used for selecting deaths from pneumonia and influenza (P&I) in Canada and England and Wales, 1950–1999
| ICD revision | Canada | England & Wales | Codes used for P&I deaths |
|---|---|---|---|
| ICD-6 | 1950–1957 | 1950–1957 | 480–483; 490–493 |
| ICD-7 | 1958–1968 | 1958–1967 | 480–483; 490–493 |
| ICD-8 | 1969–1978 | 1968–1978 | 470–474; 480–486, |
| ICD-9 | 1979–1994 | 1979–1999 | 480–487 |
| ICD-10 | 1995–1999 | J10.0–J11.8; J12.0–J18.9 |
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