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Effectiveness and economic assessment of routine larviciding for prevention of chikungunya and dengue in temperate urban settings in Europe

Fig 2

Effectiveness of larviciding in reducing the expected number of secondary CHIKV infections.

Distribution across all sites and both years, disaggregated by coverage value (lighter colour: 30%; darker colour: 50%), intervention timing (starting date every 15 days between May 1st and September 1st) and effort level (i.e., number of larvicide applications with monthly frequency (from 1 to 4). Grey bars: optimal starting date; shaded area: duration of intervention.

Fig 2