Table 3.
Outbreak health data by country (top nine countries).
| Country 1 | Median Case Count (n) | Population-Weighted Total Case Count (and Outbreak Frequency, both per 100,000 People) | Median Attack Rate (n) |
|---|---|---|---|
| U.S. | 37 (1070) | 391 (0.47) | 24.0% (83) |
| U.K. | 62 (131) | 64 (0.23) | 13.5% (33) |
| Canada | 40 (106) | 216 (0.43) | 26.0% (14) |
| India | 265 (46) | 25 (0.01) | 5.4% (22) |
| Sweden | 529 (16) | 353 (0.19) | 68.4% (5) |
| France | 782 (12) | 19 (0.02) | 15.7% (10) |
| Turkey | 42 (10) | 2 (0.02) | 12.7% (3) |
| Spain | 100 (10) | 19 (0.03) | 28.9% (4) |
| Finland | 1350 (10) | 475 (0.21) | 18.7% (7) |
1 At the subnational level, within the U.K. 87, 12, eight and four outbreaks are attributed to England, Scotland, Wales and Northern Ireland, respectively (with the rest classified as “None Given” or “Other” for territories). Within Canada, the provinces of Quebec, British Columbia and Ontario are associated with 40, 23 and 21 outbreaks, respectively (79.2% of the total for Canada).