West Nile Virus Surveillance Halton Region 2016

West Nile virus activity is determined by the surveillance of:

  1. mosquito larvae
  2. adult mosquito pools
  3. human cases

Protect yourself. Wear long-sleeved shirts, long pants, socks and shoes when outdoors in the evening or early morning. Use an insect repellent approved by the Pest Management Regulatory Agency (PMRA).

Remove standing water. Remove or change all standing water around your home to reduce potential mosquito breeding areas.

West Nile virus Surveillance Halton Region 2016

Week of August 14 - August 20, 2016

Halton Total Burlington  Oakville Halton Hills Milton
Mosquito Pools Positive for WNV Reported 4 1 3 0 0
#  Probable Human Cases Reported 0
0 0 0 0
#  Confirmed Human Cases Reported 0 0 0 0 0
#  Larvicide Applications to Standing Water 46 7 16 8 15

Year to Date 2016

Halton Total Burlington  Oakville Halton Hills Milton
Mosquito Pools Positive for WNV Reported 15 3 11 0 1
# Probable Human Cases Reported 0
0 0 0 0
# Confirmed Human Cases Reported 0 0 0 0 0
# Larvicide Applications to Standing Water 386 124 104 66 92

Prevention and Control Measures

Forty six standing water sites were larvicided during the week of August 14th to August 20th . Seven sites were larvicided in Burlington, fifteen in Milton, sixteen in Oakville, and eight in Halton Hills.

The fourth round of catch basin larviciding in Halton Region is continuing and the indicator colour is green. 

For more information about West Nile virus, please call the Halton Region Health Department.