Table 4.

An overview of all the neonatal incubator related outbreaks in hospitals

Study	Country	Strain	N of cases	Mortality, N (%)	Source
Mutlu. et al. [34]	Turkey	Sphingomonas paucimobilis	13	1 (7.7)	Probably water that is used for humidifying and mechanical ventilators
Etienne et al. [35]	United States	Aspergillus fumigatus	3	1 (33.3)	(Water of) humidity chamber in incubator
Yiallouros et al. [36]	Cyprus	Legionella pneumophila	9	3 (33.33)	Cold mist ultrasonic humidifier in the nursery
Kendrirli et al. [37]	Turkey	Ralstonia picketti	2	1 (50.0)	Distilled water used for humidification in the ventilator circuit got contaminated
Lee et al. [38]	Malaysia	Burkholderia cepacia	23	2 (8.7)	Ventilator water trap and humidifier trap
Jeong et al. [39]	Korea	Klebsiella oxytoca	6	Unknown	Water reservoirs of humidifiers attached to the incubators
Ebenezer et al. [31]	India	Acinetobacter baumanni	6	1 confirmed (16.7) 4 probablea (66.7)	Oxygen humidifying chambers

^aThese infants were discharged at parental request and these were taken home terminally ill by the family