Table 2 Estimated costs of implementing preventive TIRS in Merida, Mexico.

From: Preventive residual insecticide applications successfully controlled Aedes aegypti in Yucatan, Mexico

Item

Category

Descriptiona

Unit cost US$ (per day)a

Cost per houseb

Personnel

Personnel

Considering a monthly salary of MX$6300

$9.77

$0.49

PPE

Overalls, boots, gloves and mask delivered 2 × year MX$21,823.95/year

$2.78

$0.14

Spraying equipment

Sprayers

IK-vector costs MX$10,100 and equipment lasts 4 years

$0.32

$0.02

Repair kits for sprayers

Sprayers should be repaired 1xyear, cost of kit for repairs MX$3,061.11

$0.39

$0.02

Vehicles

Vehicles

Pick-up truck costs MX$532,300 and has a typical life of 12 years in operation

$5.66

$0.28

Vehicle maintenance

Vehicle maintenance performed 2 × year for MX$55,000 per year

$7.01

$0.35

Gasoline

Approx. 10 L per day per vehicle at a cost of MX$21.99 per L

$10.23

$0.51

Insecticide

Insecticide

One bottle/sachet mixed in 7.5 L IK-vector sprayer. Per house a team consumes 1.214 L of diluted insecticideb

 

$8.64c

Total cost

$10.45d

Cost excluding equipment (vehicles and sprayers)

$9.87c

Proportional cost of insecticides (% of total cost)

82.80%

  1. aConsidering a 2020 average exchange rate of MX$21.49 per 1 US$.
  2. bAssuming an average efficiency of 18 houses/day per team.
  3. cConsidering the amount paid by Mexico’s MOH for Actellic 300CS (US$54/bottle) in 2018, and using the following equation: (US$54*1.2 L)/7.5 L =.
  4. dAssuming a cost of insecticide of $15 per bottle (Global Fund cost of Actellic 300CS and SumiShield 50WG)36 total costs per house would be $4.23 (and $3.57 if equipment costs are excluded).
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