Table 2.

Distribution of bacterial agents isolated from ETA cultures of ICU patients before the pandemic and Covid-19 ICU patients during the pandemic.

Agent	Pre-pandemic ICU n (%)	Covid-19 ICU n (%)
Acinetobacter baumannii	34 (28.5)	47 (54.0)
Klebsiella pneumoniae	27 (22.6)	9 (10.3)
Pseudomonas aeruginosa	19 (15.9)	6 (6.8)
Escherichia coli	9 (7.5)	1 (1.1)
Proteus mirabilis	8 (6.7)	0
Enterobacter aerogenes	2 (1.6)	0
Stenotrophomonas maltophilia	0	1 (1.1)
Sphingomonas paucomobilis	1 (0.8)	0
Serratia marcescens	1 (0.8)	0
Staphylococcus aureus	8 (6.7)	2 (2.2)
Enterococcus faecium	0	7 (8.0)
Streptococcus pneumoniae	4 (3.3)	2 (2.2)
Candida spp.	6 (5.0)	12 (13.7)
Total	119	87