AUTHOR=Liao Xiang , Wu Wei , Zhang Lijuan , Zhang Zheng , Zheng Chengrong , Qiu Xincheng , Xin Chao , Jin Zhitao TITLE=The impact of COVID-19 pandemic on nosocomial infections in the cardiac care unit of a non-epidemic hospital in China JOURNAL=Frontiers in Medicine VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2025.1483967 DOI=10.3389/fmed.2025.1483967 ISSN=2296-858X