Page 22 - NATIONAL ANTIBIOTIC RESISTANCE SURVEILLANCE REPORT 2021

Enterococcus spp.

Enterococcus faecium

A total of 2901 Enterococcus faecium isolates were isolated in 2021. A decrease in

vancomycin resistance was observed in 2021 compared to 2020.

Table 5: Percentage of antibiotic resistance for Enterococcus faecium isolated

from all samples. The number of samples tested is stated in a bracket.

Antibiotic 2017 2018 2019 2020 2021
%R %R %R %R %R
(no. tested) (no. tested) (no. tested) (no. tested) (no. tested)
Ampicillin 87.5 (1050) 89.8 (996) 90.8 (1125) 93.7 (1629) 94.8 (2796)

Gentamicin 42.7 (655) 43.5 (614) 40.9 (721) 35.3 (1251) 24.4 (2178)
(120μg)

Vancomycin 15.6 (1033) 14.1 (1037) 10.0 (1149) 4.2 (1625) 3.1 (2788)

Linezolid 1.5 (876) 1.0 (878) 1.2 (1052) 1.7 (1482) 1,3 (2582)

2017 2018 2019 2020 2021

100
90
Percentage (%) of resistance 60
80
70

50
40
30

20
10
0
Ampicillin Gentamicin (120µg) Vancomycin Linezolid

Figure 10: Antibiotic resistance trend for Enterococcus faecium isolated from

all samples from 2017until 2021.

19 |