In Hong Kong, COVID-19 had the largest number of cases among all the infectious diseases in 2021, with more than notified cases. The second-highest number of infectious diseases recorded in Hong Kong was tuberculosis, followed by chickenpox.
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Census and Statistics Department Hong Kong. (October 28, 2022). Leading infectious diseases in Hong Kong in 2021, by number of cases [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved August 01, 2026, from /statistics/1191134/hong-kong-leading-infectious-diseases-by-number-of-cases/
Census and Statistics Department Hong Kong. "Leading infectious diseases in Hong Kong in 2021, by number of cases." Chart. October 28, 2022. ÌÇÐÄÆÆ½â°æ. Accessed August 01, 2026. /statistics/1191134/hong-kong-leading-infectious-diseases-by-number-of-cases/
Census and Statistics Department Hong Kong. (2022). Leading infectious diseases in Hong Kong in 2021, by number of cases. ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: August 01, 2026. /statistics/1191134/hong-kong-leading-infectious-diseases-by-number-of-cases/
Census and Statistics Department Hong Kong. "Leading Infectious Diseases in Hong Kong in 2021, by Number of Cases." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 28 Oct 2022, /statistics/1191134/hong-kong-leading-infectious-diseases-by-number-of-cases/
Census and Statistics Department Hong Kong, Leading infectious diseases in Hong Kong in 2021, by number of cases ÌÇÐÄÆÆ½â°æ, /statistics/1191134/hong-kong-leading-infectious-diseases-by-number-of-cases/ (last visited August 01, 2026)
Leading infectious diseases in Hong Kong in 2021, by number of cases [Graph], Census and Statistics Department Hong Kong, October 28, 2022. [Online]. Available: /statistics/1191134/hong-kong-leading-infectious-diseases-by-number-of-cases/