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Table 1 Overview of the two studies

From: Choosing interventions to eliminate forest malaria: preliminary results of two operational research studies inside Cambodian forests


Observation-intervention study

MSAT study


To observe the characteristics of forest goers and the malaria risk inside a selected forest (Year 1, presented here), and then select and implement an intervention to eliminate malaria there (Year 2, in progress)

To eliminate malaria in the study forest using a combination of MSAT, passive case detection, and reactive case detection

Forested Area

500 km2

1000 km2

Forest Location

North-East Cambodia (Mondulkiri and Ratanakiri provinces, near Kratie border)

North-East Cambodia (Kratie and Stung Treng provinces)

Forest selection criteria

Isolation from other forests and study sites

Presence of P falciparum

Presence of P falciparum

Time period included

March 2019–December 2019 (Study continuing through February 2021)

August 2019–December 2019 (Study continuing through December 2020)

Interventions applied

No intervention; except small amounts of ACTs and RDTs given to FMWs in case of urgent need


Passive case detection

Reactive case detection

Number of sectors (1 FMW per ssector)



Median (IQR) sector size

15.2 (13.5, 15.6) km2

25.9 (24.8, 27.0) km2