PubMed · 1292268
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M Marland. 1992-05-29. [Hygiene nurses stop bacterias' spread. Interview by Maria Ejd].. https://pubmed.ncbi.nlm.nih.gov/1292268/
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The oral flora is under the control of both immunity and non specific defense factors. The immunity factors are mostly represented by polymorphonuclears immunoglobulins Non specific defense factors include lysozyme lactoferrin high molecular weight proteins, such as mucins fibronectin and beta 2 microglobulin histidine rich proteins cystatins salivary amylases salivary peroxidase system.
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During August to November 1977, fifty-eight episodes of erythema or conjunctivitis or both occurred among nursing-service employees at a large state hospital. Epidemiologic investigation implicated an ultraviolet-light-producing germicidal bulb in a nursing station's desk lamp as the causative agent. Removal of the lamp from the nursing station controlled the outbreak. Analysis of the spectral irradiance from the bulb suggested that the National Institute of Occupational Safety and Health exposure standards were exceeded in five to 20 minutes, depending on the individual's distance from the lamp.