2009-2010 Influenza Cases – All Counties
| County | Population | Type A Novel(H1N1) | Type A (H1) | Type A (H3) | Type A (Unspecified) | Type B | Unknown | Total Cases |
| Adams | 2,593 | 2 | 0 | 0 | 12 | 0 | 0 | 14 |
| Barnes | 11,775 | 7 | 0 | 0 | 40 | 0 | 0 | 47 |
| Benson | 6,964 | 8 | 0 | 0 | 8 | 0 | 0 | 16 |
| Billings | 888 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Bottineau | 7,149 | 4 | 0 | 0 | 7 | 0 | 0 | 11 |
| Bowman | 3,242 | 2 | 0 | 0 | 20 | 0 | 0 | 22 |
| Burke | 2,242 | 2 | 0 | 0 | 3 | 0 | 0 | 5 |
| Burleigh | 69,416 | 29 | 0 | 0 | 584 | 5 | 0 | 618 |
| Cass | 123,138 | 44 | 0 | 1 | 245 | 13 | 1 | 304 |
| Cavalier | 4,831 | 8 | 0 | 0 | 23 | 1 | 0 | 32 |
| Dickey | 5,757 | 14 | 0 | 0 | 25 | 0 | 0 | 39 |
| Divide | 2,283 | 7 | 0 | 0 | 2 | 0 | 0 | 9 |
| Dunn | 3,600 | 4 | 0 | 0 | 11 | 0 | 0 | 15 |
| Eddy | 2,757 | 1 | 0 | 0 | 10 | 0 | 0 | 11 |
| Emmons | 4,331 | 3 | 0 | 0 | 20 | 0 | 0 | 23 |
| Foster | 3,759 | 5 | 0 | 0 | 19 | 0 | 0 | 24 |
| Golden Valley | 1,924 | 1 | 0 | 0 | 4 | 0 | 0 | 5 |
| Grand Forks | 66,109 | 22 | 0 | 0 | 131 | 0 | 8 | 161 |
| Grant | 2,841 | 4 | 0 | 0 | 7 | 0 | 0 | 11 |
| Griggs | 2,754 | 0 | 0 | 0 | 4 | 0 | 0 | 4 |
| Hettinger | 2,715 | 3 | 0 | 0 | 7 | 0 | 0 | 10 |
| Kidder | 2,753 | 0 | 0 | 0 | 9 | 0 | 0 | 9 |
| LaMoure | 4,701 | 5 | 0 | 0 | 21 | 0 | 0 | 26 |
| Logan | 2,308 | 3 | 0 | 0 | 24 | 0 | 0 | 27 |
| McHenry | 5,987 | 0 | 0 | 0 | 12 | 0 | 0 | 12 |
| McIntosh | 3,390 | 16 | 0 | 0 | 7 | 0 | 0 | 23 |
| McKenzie | 5,737 | 11 | 0 | 0 | 29 | 1 | 0 | 41 |
| McLean | 9,311 | 11 | 0 | 0 | 52 | 0 | 0 | 63 |
| Mercer | 8,644 | 21 | 0 | 0 | 49 | 1 | 1 | 72 |
| Morton | 25,303 | 16 | 0 | 0 | 227 | 0 | 0 | 243 |
| Mountrail | 6,631 | 14 | 0 | 0 | 32 | 0 | 0 | 46 |
| Nelson | 3,715 | 4 | 0 | 0 | 2 | 0 | 1 | 7 |
| Oliver | 2,065 | 2 | 0 | 0 | 10 | 0 | 0 | 12 |
| Pembina | 8,585 | 12 | 0 | 0 | 88 | 0 | 0 | 100 |
| Pierce | 4,675 | 7 | 0 | 0 | 9 | 0 | 0 | 16 |
| Ramsey | 12,066 | 22 | 0 | 0 | 4 | 0 | 0 | 26 |
| Ransom | 5,890 | 2 | 0 | 0 | 12 | 0 | 0 | 14 |
| Renville | 2,610 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Richland | 17,998 | 15 | 0 | 0 | 64 | 0 | 0 | 79 |
| Rolette | 13,674 | 32 | 0 | 0 | 6 | 0 | 0 | 38 |
| Sargent | 4,366 | 5 | 0 | 0 | 9 | 0 | 0 | 14 |
| Sheridan | 1,710 | 0 | 0 | 0 | 4 | 0 | 0 | 4 |
| Sioux | 4,044 | 18 | 0 | 0 | 43 | 0 | 0 | 61 |
| Slope | 767 | 0 | 0 | 0 | 1 | 0 | 0 | 1 |
| Stark | 22,636 | 17 | 0 | 0 | 116 | 2 | 0 | 135 |
| Steele | 2,258 | 1 | 0 | 0 | 4 | 0 | 0 | 5 |
| Stutsman | 21,908 | 18 | 0 | 0 | 217 | 0 | 0 | 235 |
| Towner | 2,876 | 1 | 0 | 0 | 0 | 0 | 0 | 1 |
| Traill | 8,477 | 1 | 0 | 0 | 29 | 0 | 0 | 30 |
| Walsh | 12,389 | 54 | 0 | 0 | 76 | 2 | 0 | 132 |
| Ward | 58,795 | 22 | 0 | 0 | 199 | 0 | 0 | 221 |
| Wells | 5,102 | 0 | 0 | 0 | 21 | 0 | 0 | 21 |
| Williams | 19,761 | 43 | 0 | 0 | 115 | 1 | 0 | 159 |
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