대한의료관련감염관리학회 Korean Society for Healthcare-associated infection Control and Prevention.

pISSN 0705-3797. eISSN 2586-1298.

Results of environmental surveillance of Legionella

Ward Sampling points Type of samples Date of samples collection
July 16* July 21 August 11** September 1***
Pediatric hematopoietic stem cell transplantation ward (8S) Faucet of the case patient’s room Cold water Negative Negative
Hot water Negative Negative
Water tap (swab) Negative Negative
Bathroom faucet of the case patient’s room Cold water Negative Negative
Hot water Negative Negative
Water tap (swab) Positive Negative
Shower of the case patient’s room Cold water Negative Negative
Hot water Negative Negative
Shower head (swab) Positive Negative
8E Faucet of the patient’s room (left) Cold water Negative Negative
Hot water Positive (1,000 CFU/L) Negative
Water tap (swab) Negative
Faucet of the patient’s room (right) Cold water Negative
Hot water Negative
Water tap (swab) Negative
Shower of the patient's room Cold water Negative Negative Negative
Hot water Positive (1,600 CFU/L) Positive (200 CFU/L) Negative
Shower head (swab) Negative
Nurse station Cold water Negative
Hot water Positive (1,200 CFU/L)
Water tap (swab) Negative
8W Nurse station Cold water Negative Negative Negative
Hot water Positive (1,200 CFU/L) Positive (6,000 CFU/L) Negative
Water tap (swab) Negative

*On July 16, the faucet and shower of the case patient’s room (8S) were replaced immediately after the collection of water samples.

**The collection of water samples was conducted after the faucets and showers (8E and 8W) were replaced on August 4.

***The collection of water samples was conducted after installing an external filter at the faucet and shower where Legionella were detected even the replacement.

Abbreviation: CFU, colony forming unit.

Korean J healthc assoc Infect Control Prev 2022;27:134~140 https://doi.org/10.14192/kjicp.2022.27.2.134
© Korean J healthc assoc Infect Control Prev