Volume 28, Number 1—January 2022
Synopsis
Potential Association of Legionnaires’ Disease with Hot Spring Water, Hot Springs National Park and Hot Springs, Arkansas, USA, 2018–2019
Table 1
Legionnaires’ disease patients’ age, illness onset date, type of diagnostic test, and shared and probable exposures while traveling in HSNP and Hot Springs, Arkansas, USA, 2018–2019*
Patient | Patient age, y† | Illness onset date | Confirmatory diagnostic test | Shared exposures‡ | Probable exposure§‡ |
---|---|---|---|---|---|
1 | 65 | 2018 Jul 27 | Sputum PCR | HSNP, bathhouse A¶ | Bathhouse A |
2 | 72 | 2018 Nov 23 | Urinary antigen | HSNP, bathhouse A, accommodation Z | Bathhouse A |
3 | 67 | 2019 May 7 | Urinary antigen | HSNP, accommodation Z | Unknown |
4# | 61 | 2019 Jun 22 | Sputum PCR | HSNP, bathhouse A | Bathhouse A |
5 | 66 | 2019 Aug 25 | Urinary antigen | HSNP | Unknown |
*HSNP, Hot Springs National Park. †Age in years at the time of illness onset. ‡Only potential exposures shared with >1 other patients are listed. §Based on epidemiologic investigation and environmental test results. ¶Exposures at bathhouse A might have included swimming, bathing, or showering in untreated hot springs water. #Deceased; patient received negative urinary antigen test result.