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 September 11 - 17, 2016

Halton Total Burlington  Oakville Halton Hills Milton
Mosquito Pools Positive for WNV Reported 4 1 2 0 1
#  Probable Human Cases Reported 1
0 1 0 0
#  Confirmed Human Cases Reported 0 0 0 0 0
#  Larvicide Applications to Standing Water 27 7 10 4 6

Year to Date 2016

Halton Total Burlington  Oakville Halton Hills Milton
Mosquito Pools Positive for WNV Reported 24 4 17 0 3
# Probable Human Cases Reported 1
0 1 0 0
# Confirmed Human Cases Reported 0 0 0 0 0
# Larvicide Applications to Standing Water 520 157 147 87 129

Prevention and Control Measures

In total, 27 sites were treated in Week 37. 7 sites are located in Burlington, 10 in Oakville, 6 in Milton and 4 are in Halton Hills.

Four positive mosquito pools were reported in Week 37 (2 in Oakville, 1 in Burlington, 1 in Milton).

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