Table 2.
Seasonal extrinsic incubation period of Plasmodium vivax and P. falciparum in different indoor and outdoor structure types (mean, minimum, and maximum)
| Year | Structure | Indoors/outdoors | Winter mean (min–max) | Summer mean (min–max) | Pre-monsoon mean (min–max) | Monsoon mean (min–max) | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| Pv | Pf | Pv | Pf | Pv | Pf | Pv | Pf | |||
| 2021 Sep–2022 Aug | Asbestos | Indoor | 6.38 (5.27–8.17) | 7.43 (6.03–9.78) | 5.19 (4.42–7.25) | 5.93 (4.99–8.56) | 5.53 (4.47–6.71) | 6.35 (5.05–7.85) | 6.45 (4.85–10.70) | 7.54 (5.51–13.35) |
| Outdoor | 7.59 (6.39–9.91) | 9.01 (7.43–12.21) | 5.78 (5.09–7.64) | 6.66 (5.81–9.06) | 5.86 (5.07–6.97) | 6.77 (5.77–8.18) | 7.07 (5.43–11.71) | 8.34 (6.23–14.86) | ||
| Thatched | Indoor | 8.12 (7.21–10.30) | 9.72 (8.49–12.77) | 6.48 (5.56–7.74) | 7.55 (6.38–9.19) | 6.40 (5.73–7.40) | 7.45 (6.59–8.75) | 7.41 (6.04–11.54) | 8.78 (6.99–14.61) | |
| Outdoor | 7.92 (7.21–9.84) | 9.45 (8.50–12.11) | 6.41 (5.56–7.66) | 7.47 (6.38–9.10) | 6.41 (5.72–7.31) | 7.46 (6.58–8.62) | 7.47 (6.12–11.51) | 8.87 (7.09–14.56) | ||
| Concrete | Indoor | 6.70 (6.23–7.35) | 7.83 (7.22–8.68) | 6.23 (5.87–6.73) | 7.23 (6.78–7.87) | 6.24 (5.66–6.89) | 7.25 (6.51–8.08) | 6.54 (5.82–8.01) | 7.63 (6.71–9.56) | |
| Outdoor | 7.13 (6.21–8.57) | 8.40 (7.20–10.33) | 6.19 (5.26–7.41) | 7.18 (6.01–8.76) | 6.29 (5.72–7.25) | 7.31 (6.58–8.55) | 7.02 (5.57–11.34) | 8.27 (6.39–14.31) | ||
| 2012 Nov–2013 Oct | Asbestos | Indoor | 7.04 (6.66–7.96) | 8.27 (7.78–9.50) | 5.91 (5.18–6.85) | 6.83 (5.91–8.03) | 6.31 (5.26–8.58) | 7.33 (6.01–10.33) | 6.63 (5.79–8.44) | 7.75 (6.67–10.15) |
| Outdoor | 7.65 (6.83–9.10) | 9.09 (8.00–11.05) | 6.19 (5.23–7.80) | 7.18 (5.97–9.28) | 6.58 (5.53–9.08) | 7.69 (6.35–11.02) | 7.09 (5.94–9.39) | 8.35 (6.87–11.47) | ||
| Thatched | Indoor | 7.85 (7.40–8.91) | 9.35 (8.75–10.79) | 6.38 (5.35–7.62) | 7.43 (6.13–9.04) | 6.53 (5.48–8.89) | 7.62 (6.28–10.76) | 7.07 (6.13–9.17) | 8.32 (7.10–11.15) | |
| Outdoor | 8.47 (7.82–9.63) | 10.19 (9.31–11.81) | 6.42 (5.36–8.25) | 7.48 (6.14–9.89) | 6.72 (5.53–9.40) | 7.87 (6.35–11.47) | 7.36 (6.24–9.88) | 8.70 (7.25–12.16) | ||
| Concrete | Indoor | 7.24 (6.78–7.87) | 8.54 (7.94–9.37) | 6.00 (5.26–6.90) | 6.94 (6.01–8.09) | 6.25 (5.35–7.98) | 7.26 (6.13–9.52) | 6.72 (5.93–7.85) | 7.86 (6.85–9.34) | |
| Outdoor | 8.32 (7.70–9.59) | 9.99 (9.14–11.75) | 6.63 (5.48–8.16) | 7.75 (6.28–9.76) | 6.75 (5.61–8.88) | 7.91 (6.45–10.75) | 7.44 (6.44–9.27) | 8.82 (7.50–11.30) | ||