*These data are provisional and may be revised or adjusted in the future.
Cumulative Mosquito Infections by County - Massachusetts, 2005
| Barnstable County | 2 |
| Bristol County | 22 |
| Essex County | 8 |
| Middlesex County | 23 |
| Norfolk County | 17 |
| Plymouth County | 8 |
| Suffolk County | 15 |
| Worcester County | 4 |
Cumulative Total Entire State: 99