🦠 Carbapenem-Resistant Acinetobacter baumannii
Outbreak Investigation Dashboard

EURGen-RefLabCap Multidisciplinary EQA Workshop · January 2024 · Statens Serum Institut / DTU
🔬 EQA Exercise Data · Jan 2024
Isolates
Hospitals
ST2 (Pasteur)
OXA-23 carriers
AMR genes found
GTR+G · 1000 BSPhylogeny method
Maximum Likelihood Tree — IQ-TREE2 (GTR+G, 1000 ultrafast bootstrap) on Parsnp core-genome SNPs
Color by
Layout
Bootstrap
Bootstrap circles: ≥95   70–94   50–69   (hidden if <50)
Sample Details
🔬 Click a node on the tree
to view sample details
Antimicrobial Resistance Gene Matrix — Abricate / CARD (≥90% identity, ≥80% coverage)
Sample Collection Timeline by Hospital
Pairwise SNP Distance Matrix (IQ-TREE ML distances × 4 Mb genome)

Colour scale: white = 0 SNPs → deep red = many SNPs. Click a cell to compare two samples.

cgMLST Allele Distance Matrix — Pasteur schema · 2390 loci · chewBBACA 3.5.3
0–10 alleles (same cluster)
11–50
>50 Red border = ≤10 allele pairs (outbreak threshold)
SNP vs cgMLST Allele Distance — Concordance

Each point = one isolate pair shared between both matrices. Pearson r shown in corner.