| County | Cases | Deaths | LTCs with Outbreaks |
| Adams | 19 | 1 | |
| Alcorn | 6 | ||
| Amite | 6 | 1 | 1 |
| Attala | 15 | ||
| Benton | 5 | ||
| Bolivar | 51 | 2 | 2 |
| Calhoun | 9 | 1 | |
| Carroll | 6 | ||
| Chickasaw | 15 | 2 | 1 |
| Choctaw | 8 | 1 | |
| Claiborne | 1 | ||
| Clarke | 8 | ||
| Clay | 9 | ||
| Coahoma | 29 | 1 | |
| Copiah | 16 | ||
| Covington | 6 | ||
| Desoto | 136 | 1 | |
| Forrest | 46 | 1 | 1 |
| Franklin | 5 | ||
| George | 5 | ||
| Greene | 1 | ||
| Grenada | 7 | ||
| Hancock | 30 | 1 | 2 |
| Harrison | 79 | 3 | 1 |
| Hinds | 158 | 2 | |
| Holmes | 23 | 2 | |
| Humphreys | 4 | 1 | |
| Itawamba | 4 | ||
| Jackson | 98 | 5 | 1 |
| Jasper | 3 | ||
| Jefferson | 3 | ||
| Jones | 13 | ||
| Kemper | 6 | ||
| Lafayette | 22 | 1 | |
| Lamar | 15 | ||
| Lauderdale | 70 | 2 | 3 |
| Lawrence | 5 | ||
| Leake | 11 | ||
| Lee | 30 | 2 | |
| Leflore | 23 | 4 | 1 |
| Lincoln | 18 | 1 | |
| Lowndes | 15 | ||
| Madison | 74 | 2 | 2 |
| Marion | 8 | 1 | |
| Marshall | 23 | 1 | 1 |
| Monroe | 16 | 1 | 2 |
| Montgomery | 11 | 1 | |
| Neshoba | 11 | ||
| Newton | 7 | 1 | |
| Noxubee | 5 | ||
| Oktibbeha | 27 | 2 | |
| Panola | 17 | 1 | |
| Pearl River | 52 | 2 | 2 |
| Perry | 14 | 1 | |
| Pike | 28 | 1 | |
| Pontotoc | 12 | 1 | |
| Prentiss | 10 | 1 | |
| Quitman | 7 | ||
| Rankin | 74 | 1 | |
| Scott | 23 | 1 | |
| Sharkey | 3 | ||
| Simpson | 6 | ||
| Smith | 11 | 1 | |
| Stone | 1 | ||
| Sunflower | 19 | 1 | |
| Tallahatchie | 3 | ||
| Tate | 16 | ||
| Tippah | 36 | 3 | |
| Tishomingo | 1 | ||
| Tunica | 18 | 1 | 1 |
| Union | 6 | 1 | |
| Walthall | 12 | ||
| Warren | 5 | 1 | |
| Washington | 38 | 1 | |
| Wayne | 5 | ||
| Webster | 12 | 1 | |
| Wilkinson | 30 | 3 | 1 |
| Winston | 15 | ||
| Yalobusha | 11 | ||
| Yazoo | 32 | 1 | |
| Total | 1,738 | 51 | 38 |
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