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Summary
| Description |
English: Reported cases of influenza in American countries for the period 1949-1958, illustrating the severity of influenza A virus subtype H2N2 pandemic in 1957. Chile (not shown in the graph) was severely hit and reported 1,408,430 cases in 1957.[1] |
| Date | |
| Source | Own work |
| Author | Wikisanchez |
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- ↑ REPORTED CASES OF NOTIFIABLE DISEASES IN THE AMERICAS 1949 - 1958. paho.org. Retrieved on 22 February 2017.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 05:42, 22 February 2017 | | 804 × 701 (72 KB) | Wikisanchez | User created page with UploadWizard |
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