Legionella testing status in the environmental water systems of public facilities conducted from 2018 to 2023
| Sampling site | Facility No. of samples with cultured Legionella / No. of samples tested (detection rate, %) |
|||||||
|---|---|---|---|---|---|---|---|---|
| Elderly care facilities | Healthcare facilities | Public bathing facilities | Accom-modation facilities | Public facilities | Epidemi-ological investigation | Fountain | Total | |
| Faucet/Shower Cold water | 6/640(0.9) | 8/1063(0.8) | 34/1505 (2.3) | 1/122(0.8) | 2/177(1.1) | 23/1370 (1.7) | - | 74/4877(1.5) |
| Faucet/Shower Hot water | 31/578 (5.4) | 60/991(6.1) | 592/2502 (23.7) | 9/116(7.8) | 4/99(4.0) | 90/904 (10.0) | - | 786/5190(15.1) |
| Reservoir | 1/105(1.0) | 1/213(0.5) | 2/66(3.0) | 1/68(1.5) | 2/60(3.3) | 2/133(1.5) | - | 9/645(1.4) |
| Water filter | - | - | 11/52(21.2) | - | - | 3/8(37.5) | - | 14/60(23.3) |
| Cooling tower | 11/56(19.6) | 30/362(8.3) | 1/4(25.0) | 10/89(11.2) | 87/706 (12.3) | 5/50(10.0) | - | 144/1267(11.4) |
| Fountain | - | - | - | - | - | - | 1/129(0.8) | 1/129 (0.8) |
| Total | 49/1379 (3.6) | 99/2629 (3.8) | 640/4129 (15.5) | 21/395(5.3) | 95/1042 (9.1) | 123/2465 (5.0) | 1/129 (0.8) | 1028/12168 (8.4) |