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. 2023 May 17;14:1181701. doi: 10.3389/fmicb.2023.1181701

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Copyright © 2023 Liu, Yang, Tang, Wang, Jian, Liu, Wang, Zhong, Yan and Liu.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Evaluation of the virulence of K. pneumoniae isolates causing abscesses. Using a G. mellonella infection model, we investigated the virulence of 1 × 10⁶ CFU of each group of T6SS(+)/hvKP, T6SS(−)/hvKP, T6SS(+)/cKP, and T6SS(−)/cKP strains. Normal saline was used as control. The T6SS(+)/hvKP group had the worst prognosis, and the survival rate of this group was significantly different from the other three groups (p < 0.05).