1955
DOI: 10.1111/j.1651-2227.1955.tb04264.x
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Ultraviolet Air Disinfection in a Children's Hospital A Technical and Bacteriological Study1

Abstract: Summary An installation of ultraviolet lamps for air disinfection in the department for premature infants (20 beds) of a children's hospital has been studied during two years from both physical‐technical and bacteriological points of view. The irradiation was performed by upper air and curtain irradiation with the lamps turned on throughout the 24 hours. The mean room intensity in the wards was 20–25 μW/cm2 of radiation of the wave‐length 2,537 Å, the intensity at the cots amounting to about 0.5 μW/cm2. No rad… Show more

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Cited by 4 publications
(3 citation statements)
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“…25 The germicidal effect of UV light, however, diminishes at humidities greater than 70% and is low at humidities greater than 80%. 27 Technical aspects have been described elsewhere. 27,28 Several studies were undertaken in the 1940s to test the use of UV light in preventing airborne respiratory infections, with 1 positive study and 3 negative studies.…”
Section: Uv Lightmentioning
confidence: 99%
See 1 more Smart Citation
“…25 The germicidal effect of UV light, however, diminishes at humidities greater than 70% and is low at humidities greater than 80%. 27 Technical aspects have been described elsewhere. 27,28 Several studies were undertaken in the 1940s to test the use of UV light in preventing airborne respiratory infections, with 1 positive study and 3 negative studies.…”
Section: Uv Lightmentioning
confidence: 99%
“…27 Technical aspects have been described elsewhere. 27,28 Several studies were undertaken in the 1940s to test the use of UV light in preventing airborne respiratory infections, with 1 positive study and 3 negative studies. The positive study involved a measles outbreak at a rural school system.…”
Section: Uv Lightmentioning
confidence: 99%
“…Upper air irradiation is sufficiently less effective than downward directed irradiation, so it is not recommended for the usual laboratory although it may serve as a substitute for ventilation (23). An illustration of the potentiality of direct radiation may be seen from a hospital study which showed that the lamps had a disinfective effect with sprayed bacteria equivalent to 29 to 169 air changes per hour (17). Although ultraviolet lights are efficient when properly maintained, their pretty blue light still provides a sense of security long after the bactericidal effect is gone.…”
Section: Engineering and Equipmentmentioning
confidence: 99%