These
county and county - equivalent data are based on tests of tissue samples from
dead and diseased wild birds, provided by state health officials. Many of these
data represent crows, which are especially sensitive to West Nile Virus (WNV).
Note that the map includes all areas of positive (confirmed or probable) WNV
results, but not necessarily all areas with submitted samples or no reports.
| Note: These data are provisional and may be revised or adjusted in the future |
| Barnstable County | 9 |
| Berkshire County | 4 |
| Bristol County | 6 |
| Dukes County | 4 |
| Essex County | 78 |
| Franklin County | 2 |
| Hampden County | 60 |
| Hampshire County | 27 |
| Middlesex County | 203 |
| Nantucket County | 1 |
| Norfolk County | 70 |
| Plymouth County | 3 |
| Suffolk County | 57 |
| Worcester County | 50 |
| Cumulative Report Maps for the year 2002, Massachusetts | |||
| Cumulative Human | Cumulative Veterinary | Cumulative Sentinel flock | Cumulative Mosquito |
Massachusetts Department of Public Health
For further information or questions, please contact
the Centers for Disease Control and Prevention:
email: dvbid@cdc.gov
(970) 221-6400