Changes of Klebsiella Pneumoniae Infection and Carbapenem Resistance in ICU Elderly Infected Patients Before and after the COVID-19 Pandemic in Zhengzhou, China

Recent articles suggested that Streptococcus pneumonia (S. pneumoniae), Haemophilus influenzae (H. influenzae) and Moraxella catarrhalis (M. catarrhalis) infections among children in Zhengzhou, China showed a decreasing trend during the COVID-19 pandemic.1–3 Previous studies also reported changes in carbapenemase-producing Enterobacteriaceae and extended-spectrum beta-lactamase (ESBL) E. coli infections during the COVID-19 pandemic.4,5 However, Klebsiella pneumoniae (K. pneumoniae), especially carbapenem-resistance K.