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 June 19 - June 25, 2016

Halton Total Burlington  Oakville Halton Hills Milton
Mosquito Pools Positive for WNV Reported - - - - -
#  Probable Human Cases Reported 0
0 0 0 0
#  Confirmed Human Cases Reported 0 0 0 0 0
#  Larvicide Applications to Standing Water 22 8 5 5 4

Year to Date 2016

Halton Total Burlington  Oakville Halton Hills Milton
Mosquito Pools Positive for WNV Reported - - - - -
# Probable Human Cases Reported 0
0 0 0 0
# Confirmed Human Cases Reported 0 0 0 0 0
# Larvicide Applications to Standing Water 107 34 31 19 24

Prevention and Control Measures

Twenty two  standing water sites were larvicided during the week of June 19th to June 25th. Eight sites were larvicided in Burlington, four in Milton, five in Oakville, and five in Halton Hills.

The second round of catch basin larviciding in Halton Region has begun and the indicator colour is white.


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