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. 2019 Jul 13;74(10):2959–2964. doi: 10.1093/jac/dkz293

Figure 1.

Figure 1.

(a and b) Scanning electron micrographs (×10000) of the lumens of catheters after four weekly bacteria challenges followed by 6–7 days of perfusion. (a) Control catheter after challenge with K. pneumoniae NB914, at Day 7 of challenge 4. (b) Control catheter after challenge with MRSA F1836, at Day 7 of challenge 4. (c) Magnification of ×500. Lumen of the processed catheter after challenge with MRSA F1836, at Day 7 of challenge 4. The lower magnification was used to enable a more extensive field. (d) Magnification of ×10000. Lumen surface of (c) with no visible bacteria remaining. No bacteria were recovered after prolonged perfusion and agar culture.