Vector ecologists from from the Greater Los Angeles County Vector Control District (GLACVCD) report that six additional mosquito samples and two more dead birds collected in the District this summer have tested positive for West Nile virus (WNV).
Please refer to the charts below for a breakdown of the West Nile virus activity confirmed this past week.
| City or Community | Zip Code(s) | # of WNV+ mosquito samples collected |
| Burbank | 91505 | 1 |
| San Marino | 91108 | 1 |
| Encino | 91436, 91306 | 3 |
| Chatsworth | 91311 | 1 |
| City or Community | Zip Code(s) | WNV+ dead bird |
| Sherman Oaks | 91411 | 1 American Crow |
| Northridge | 91324 | 1 Raven |
This is the first sign of virus activity in Burbank, San Marino, Chatsworth, Sherman Oaks, and Northridge. So far this year, GLACVCD has identified a total of 20 WNV positive mosquito samples and four WNV positive dead birds within its jurisdiction.
Statewide, a total of 593 mosquito samples and 432 dead birds have been identified as positive for West Nile virus. In addition, six human cases of West Nile virus have been reported throughout California.


from the Greater Los Angeles County Vector Control District
Please refer to the charts below for a breakdown of the West Nile virus activity confirmed this past week.
This is the first sign of virus activity in Burbank, San Marino, Chatsworth, Sherman Oaks, and Northridge. So far this year, GLACVCD has identified a total of 20 WNV positive mosquito samples and four WNV positive dead birds within its jurisdiction.
Statewide, a total of 593 mosquito samples and 432 dead birds have been identified as positive for West Nile virus. In addition, six human cases of West Nile virus have been reported throughout California.