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Table 1 Characteristics and numbers (%) of infested containers found in 12 selected schools during the pre-intervention period

From: Effectiveness of a novel long-lasting pyriproxyfen larvicide (SumiLarv®2MR) against Aedes mosquitoes in schools in Yangon, Myanmar

Container Mean volume (range) (l) No. of potential breeding containers No. of infested containers (%) Percentage based on total infested containers
Type Barrel 167.5 (50–400) 111 25 (22.5) 9.2
Bucket 29.8 (10–100) 128 13 (11.7) 4.8
Cement drum 149.7 (5–800) 519 79 (15.2) 28.9
Cement tank 987.4 (20–2000) 121 14 (11.6) 5.1
Ceramic jar 93.8 (50–150) 98 21 (21.4) 7.7
Discarded container 8.7 (1–150) 64 53 (87.5) 19.4
Spiritual bowl 1.0 (1) 55 16 (34.5) 5.9
Toilet bowl 14.9 (5–50) 280 44 (15.7) 16.1
Size Large (>200 l) 1039.8 (250–2000) 127 13 (10.2) 4.8
Medium (10–200 l) 97.9 (10–200) 1029 178 (17.3) 65.2
Small (<10 l) 3.5 (1–5) 220 82 (37.3) 30.0
Place Indoor 55.1 (1–2000) 394 63 (16.0) 23.1
Outdoor 215.8 (1–2000) 982 210 (21.4) 76.9
Total   169.8 (1–2000) 1376 273 (19.8) 100