Recreational Vehicle Water Tanks as a Possible Source for Legionella Infections

Table 1

Legionella spp. isolated, demographics, maintenance, and associated respiratory health issues of RVs positive for Legionellae.

RV no.	State	Specimen source	Legionella isolated	CFU/mL	General RV; maintenance	Cleaning of tank within the last year	RV tank storage	Health problems in RV user
4	GA	Faucet	L. feeleii serogroup 1	0.15	No	No	Drain in winter	No
6	SC	Faucet	L. pneumophila serogroup 1	25	No	Yes	Drain and treat with chlorine	No
8	TX	Faucet	L. quateriensis; L. pneumophila serogroup 6	2.6; 6	Unknown	Yes	Always in use	Cough/allergies
17	TN	Water; Tank; Faucet	L. anisa (D-1497); L. quateriensis; L. anisa (D-1497)	0.15–2.0; 0.15–0.65; 1.5–2.75	No	Yes	Always in use	Wife-history of bronchial pneumonia