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Qin, Y.; Zhao, M. J.; Tan, Y. Y.; Li, X. Q.; Zheng, J. D.; Peng, Z. B.; Feng, L. Z. (10 August 2018). "中国流感大流行的百年历史" [History of influenza pandemics in China during the past century]. 中华流行病学杂志 [Chinese Journal of Epidemiology] (in Chinese). 39 (8): 1028–1031. doi:10.3760/cma.j.issn.0254-6450.2018.08.003. PMID30180422.
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Saenz, A.C; Assaad, F.A; Cockburn, W.Chas (January 1969). "Outbreak of A2/Hong Kong/68 Influenza at an International Medical Conference". The Lancet. 293 (7585): 91–93. doi:10.1016/s0140-6736(69)91104-0. PMID4178014.
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Candau, Marcolino Gomes (1969). The work of WHO, 1968: annual report of the Director-General to the World Health Assembly and to the United Nations. World Health Organization. hdl:10665/85812. ISBN978-92-4-160172-6.[page needed]
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World Health Organization (1972). "ANTIGENIC VARIATION IN INFLUENZA A VIRUSES = VARIATIONS ANTIGÉNIQUES CONCERNANT LES VIRUS GRIPPAUX A". Weekly Epidemiological Record = Relevé épidémiologique hebdomadaire. 47 (40): 381–384. hdl:10665/219102.
Qin, Y.; Zhao, M. J.; Tan, Y. Y.; Li, X. Q.; Zheng, J. D.; Peng, Z. B.; Feng, L. Z. (10 August 2018). "中国流感大流行的百年历史" [History of influenza pandemics in China during the past century]. 中华流行病学杂志 [Chinese Journal of Epidemiology] (in Chinese). 39 (8): 1028–1031. doi:10.3760/cma.j.issn.0254-6450.2018.08.003. PMID30180422.
Coleman, Marion T.; Dowdle, Walter R.; Pereira, Helio G.; Schild, Geoffrey C.; Chang, W. K. (1968), "The Hong Kong/68 Influenza A2 Variant", The Lancet, 292 (7583): 1384–1386, doi:10.1016/S0140-6736(68)92683-4, PMID4177941
Saenz, A.C; Assaad, F.A; Cockburn, W.Chas (January 1969). "Outbreak of A2/Hong Kong/68 Influenza at an International Medical Conference". The Lancet. 293 (7585): 91–93. doi:10.1016/s0140-6736(69)91104-0. PMID4178014.
Kilbourne, E. D. (April 1973). "The Molecular Epidemiology of Influenza". Journal of Infectious Diseases. 127 (4): 478–487. doi:10.1093/infdis/127.4.478. PMID4121053.
"1968 Pandemic (H3N2 virus)". Centers for Disease Control and Prevention. 22 January 2019. Archived from the original on 30 January 2019. Retrieved 22 August 2020.
Qin, Y.; Zhao, M. J.; Tan, Y. Y.; Li, X. Q.; Zheng, J. D.; Peng, Z. B.; Feng, L. Z. (10 August 2018). "中国流感大流行的百年历史" [History of influenza pandemics in China during the past century]. 中华流行病学杂志 [Chinese Journal of Epidemiology] (in Chinese). 39 (8): 1028–1031. doi:10.3760/cma.j.issn.0254-6450.2018.08.003. PMID30180422.