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Table 1 Frequencies of ants and microorganisms in a hospital in São Paulo county, March 2012 to February 2013

From: Ants as vectors of pathogenic microorganisms in a hospital in São Paulo county, Brazil

Ant species Absolute frequency of ants Absolute frequency of microorganisms
Paratrechina spp. 44 24 Bacillus spp.; 7 Listeria spp.; 2 Arcanobacterium spp.; 1 Streptococcus spp.; 1 Pseudomonas aeruginosa; 1 Micrococcus luteus; 1 Sthaphylococcus epidermidis
M. floricola 18 4 Bacillus spp.; 4 Streptococcus spp.; 3 Pseudomonas aeruginosa; 3 Staphylococcus aureus; 2 Proteus spp.; 2 no microbial growth
Dorymyrmex spp. 5 3 Klebsiella spp.; 2 Bacillus spp.
Pheidole spp. 2 2 Bacillus spp.
Brachymyrmex spp. 1 1 Pseudomonas aeruginosa