An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Hsu HJ, Chang H, Lin CL, Yao WC, Hung CL, Pang SP, Kuo CF, Tsai SY.Hsu HJ, et al. Among authors: chang h.J Infect Public Health. 2024 Aug;17(8):102495. doi: 10.1016/j.jiph.2024.102495. Epub 2024 Jul 14.J Infect Public Health. 2024.PMID: 39018725Free article.
Lee MC, Chang H, Sun FJ, Wu AY, Lu CH, Lee CM.Lee MC, et al. Among authors: chang h.Am J Trop Med Hyg. 2022 Jun 13;107(2):467-473. doi: 10.4269/ajtmh.21-1242. Print 2022 Aug 17.Am J Trop Med Hyg. 2022.PMID: 35895586Free PMC article.
Xu C, Chang H, Shao Q, Song Y.Xu C, et al. Among authors: chang h.Hua Xi Kou Qiang Yi Xue Za Zhi. 2025 Feb 1;43(1):144-150. doi: 10.7518/hxkq.2024.2024212.Hua Xi Kou Qiang Yi Xue Za Zhi. 2025.PMID: 39840638Chinese, English.