These data are based on information voluntarily reported by state health officials to CDC. West Nile Virus(WNV) infection was determined by laboratory
testing. Case locations are based on the county of residence (or county equivalent) of the patient, not the medical facility location. 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 |
| Essex County | 2 |
| Middlesex County | 10 |
| Norfolk County | 3 |
| Suffolk County | 7 |
| Worcester County | 1 |
| Cumulative Report Maps for the year 2002, Massachusetts | |||
| Cumulative Bird | 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