The results of a survey of the bacterial flora in many sites in 21 homes are discussed. In all areas both wet and dry, coagulase negative, Gram positive cocci and Bacillus spp. were found. Wet areas such as kitchen sinks and drains contained large numbers of Escherichia coli and sometimes Klebsiella pneumoniae , Citrobacter and Enterobacter spp. In toilet areas, little evidence was found of contamination with organisms of faecal origin. Of 47 samples taken from teacloths and towels 22 were contaminated with Staphylococcus aureus although the actual numbers of this organism were low. Pseudomonas aeruginosa was isolated from several sites in one home only.
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Finch et al. (1978) studied this question.