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  • Title: [Analysis of the germ content of the air in university lecture rooms (author's transl)].
    Author: Nikodemusz I, Szám L, Vedres I.
    Journal: Zentralbl Bakteriol Orig B; 1978 May; 166(4-5):353-60. PubMed ID: 654689.
    Abstract:
    The microflora of the air in university lecture rooms was examined with the sedimentation method. For this purpose blood agar (20 degrees C and 37 degrees C), saline agar and Endo plates were used. The germ counts identified correlate to the size and utilization of the rooms. The lowest germ count was determined in the room used for practical work, which was followed by the lecture room. The newly built lecture room contained the highest colony count. The floor ventilation furnishes an explanation for this. Most of the colonies were Gram-positive cocci (micrococci, indifferent streptococci, sarcins). Aerobic spore-forming organisms were found to be present in smaller quantities than cocci. Fungi, mainly, moulds grew better at a temperature of 20 centigrade. The microbiological monitoring of air forms an important part of environmental protection. Great importance can be attached to a stardization of the air germ count in the prevention of airborne infections.
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