Volume 29, Number 2—February 2023
Research
Penicillin and Cefotaxime Resistance of Quinolone-Resistant Neisseria meningitidis Clonal Complex 4821, Shanghai, China, 1965–2020
Figure 1

Figure 1. Percentage of meningococcal isolates with penicillin nonsusceptibility and MIC50 values, Shanghai, China, 1965–2020. MIC50, minimum inhibitory concentrations at which 50% of the tested isolates are inhibited.
1These authors contributed equally to this article.