Research interests: RSV seasonality; Influenza transmission; Vector-borne diseases; Mathematical and network models
Bolton L, Tempia S, Walaza S, Jassat W, Sun K, Bradshaw D, Dorrington R, Kleynhans J, Martenson N, von Gottberg A, Wolter N, Pulliam JRC, Cohen C. (2025). Burden of SARS-CoV-2 infection and severe illness in South Africa (March 2020-August 2022): a synthesis of epidemiological data. BMJ public health, 3(2)
Hansen CL, Lee L, Bents SJ, Perofsky AC, Sun K, Starita LM, Adler A, Englund JA, Chow EJ, Chu HY, Viboud C. (2025). Scenario Projections of Respiratory Syncytial Virus Hospitalizations Averted Due to New Immunizations. JAMA network open, 8(6)
Deng X, Tian Y, Zou J, Yang J, Sun K, Yu H. (2024). The risk of mpox importation and subsequent outbreak potential in Chinese mainland: a retrospective statistical modelling study. Infectious diseases of poverty, 13(1)
Sun K, Bhiman JN, Tempia S, Kleynhans J, Madzorera VS, Mkhize Q, Kaldine H, McMorrow ML, Wolter N, Moyes J, Carrim M, Martinson NA, Kahn K, Lebina L, du Toit JD, Mkhencele T, von Gottberg A, Viboud C, Moore PL, Cohen C, . (2024). SARS-CoV-2 correlates of protection from infection against variants of concern. Nature medicine
Park SW, Sun K, Abbott S, Sender R, Bar-On YM, Weitz JS, Funk S, Grenfell BT, Backer JA, Wallinga J, Viboud C, Dushoff J. (2023). Inferring the differences in incubation-period and generation-interval distributions of the Delta and Omicron variants of SARS-CoV-2. Proceedings of the National Academy of Sciences of the United States of America, 120(22)
Sun K, Loria V, Aparicio A, Porras C, Vanegas JC, Zúñiga M, Morera M, Avila C, Abdelnour A, Gail MH, Pfeiffer R, Cohen JI, Burbelo PD, Abed MA, Viboud C, Hildesheim A, Herrero R, Prevots DR, . (2023). Behavioral factors and SARS-CoV-2 transmission heterogeneity within a household cohort in Costa Rica. Communications medicine, 3(1)
Luo K, Wu Y, Wang Y, Liu Z, Yi L, Zhao S, Yan X, Yang H, Sun K, Ajelli M, Hu S, Yu H. (2023). Transmission Dynamics and Epidemiological Characteristics of the SARS-CoV-2 Delta Variant - Hunan Province, China, 2021. China CDC weekly, 5(3)
Sun K, Tempia S, Kleynhans J, von Gottberg A, McMorrow ML, Wolter N, Bhiman JN, Moyes J, Carrim M, Martinson NA, Kahn K, Lebina L, du Toit JD, Mkhencele T, Viboud C, Cohen C, . (2023). Rapidly shifting immunologic landscape and severity of SARS-CoV-2 in the Omicron era in South Africa. Nature communications, 14(1)
Wang Y, Sun K, Pan Y, Yi L, Huo D, Wu Y, Dong S, Guo J, Dou X, Wang W, Wu S, Bai X, Yu H, Wang Q. (2023). A Retrospective Modeling Study of the Targeted Non-Pharmaceutical Interventions During the Xinfadi Outbreak in the Early Stage of the COVID-19 Pandemic - Beijing, China, 2020. China CDC weekly, 5(5)
Sun K, Tempia S, Kleynhans J, von Gottberg A, McMorrow ML, Wolter N, Bhiman JN, Moyes J, du Plessis M, Carrim M, Buys A, Martinson NA, Kahn K, Tollman S, Lebina L, Wafawanaka F, du Toit JD, Gómez-Olivé FX, Mkhencele T, Viboud C, Cohen C. (2022). SARS-CoV-2 transmission, persistence of immunity, and estimates of Omicron's impact in South African population cohorts. Science translational medicine
Wang Y, Sun K, Pan Y, Yi L, Huo D, Wu Y, Dong S, Guo J, Dou X, Wang W, Wu S, Bai X, Yu H, Wang Q. (2022). SARS-CoV-2 containment was achievable during the early stage of the pandemic: a retrospective modelling study of the Xinfadi outbreak in Beijing. medRxiv : the preprint server for health sciences
Wang Y, Sun K, Feng Z, Yi L, Wu Y, Liu H, Wang Q, Ajelli M, Viboud C, Yu H. (2022). Assessing the feasibility of sustaining SARS-CoV-2 local containment in China in the era of highly transmissible variants. BMC medicine, 20(1)
Cohen C, Kleynhans J, von Gottberg A, McMorrow ML, Wolter N, Bhiman JN, Moyes J, du Plessis M, Carrim M, Buys A, Martinson NA, Kahn K, Tollman S, Lebina L, Wafawanaka F, du Toit JD, Gómez-Olivé FX, Dawood FS, Mkhencele T, Sun K, Viboud C, Tempia S, . (2022). SARS-CoV-2 incidence, transmission, and reinfection in a rural and an urban setting: results of the PHIRST-C cohort study, South Africa, 2020-21. The Lancet. Infectious diseases
Chen Z, Deng X, Fang L, Sun K, Wu Y, Che T, Zou J, Cai J, Liu H, Wang Y, Wang T, Tian Y, Zheng N, Yan X, Sun R, Xu X, Zhou X, Ge S, Liang Y, Yi L, Yang J, Zhang J, Ajelli M, Yu H. (2022). Epidemiological characteristics and transmission dynamics of the outbreak caused by the SARS-CoV-2 Omicron variant in Shanghai, China: A descriptive study. The Lancet regional health. Western Pacific, (29)
Cai J, Deng X, Yang J, Sun K, Liu H, Chen Z, Peng C, Chen X, Wu Q, Zou J, Sun R, Zheng W, Zhao Z, Lu W, Liang Y, Zhou X, Ajelli M, Yu H. (2022). Modeling transmission of SARS-CoV-2 Omicron in China. Nature medicine
Chen X, Yan X, Sun K, Zheng N, Sun R, Zhou J, Deng X, Zhuang T, Cai J, Zhang J, Ajelli M, Yu H. (2022). Estimation of disease burden and clinical severity of COVID-19 caused by Omicron BA.2 in Shanghai, February-June 2022. Emerging microbes & infections
Hu S, Wang W, Wang Y, Litvinova M, Luo K, Ren L, Sun Q, Chen X, Zeng G, Li J, Liang L, Deng Z, Zheng W, Li M, Yang H, Guo J, Wang K, Chen X, Liu Z, Yan H, Shi H, Chen Z, Zhou Y, Sun K, Vespignani A, Viboud C, Gao L, Ajelli M, Yu H. (2021). Author Correction: Infectivity, susceptibility, and risk factors associated with SARS-CoV-2 transmission under intensive contact tracing in Hunan, China. Nature communications, 12(1)
Davis JT, Chinazzi M, Perra N, Mu K, Piontti APY, Ajelli M, Dean NE, Gioannini C, Litvinova M, Merler S, Rossi L, Sun K, Xiong X, Halloran ME, Longini IM Jr., Viboud C, Vespignani A. (2021). Cryptic transmission of SARS-CoV-2 and the first COVID-19 wave in Europe and the United States. medRxiv : the preprint server for health sciences
Davis JT, Chinazzi M, Perra N, Mu K, Pastore Y Piontti A, Ajelli M, Dean NE, Gioannini C, Litvinova M, Merler S, Rossi L, Sun K, Xiong X, Longini IM Jr., Halloran ME, Viboud C, Vespignani A. (2021). Cryptic transmission of SARS-CoV-2 and the first COVID-19 wave. Nature
Hu S, Wang W, Wang Y, Litvinova M, Luo K, Ren L, Sun Q, Chen X, Zeng G, Li J, Liang L, Deng Z, Zheng W, Li M, Yang H, Guo J, Wang K, Chen X, Liu Z, Yan H, Shi H, Chen Z, Zhou Y, Sun K, Vespignani A, Viboud C, Gao L, Ajelli M, Yu H. (2021). Infectivity, susceptibility, and risk factors associated with SARS-CoV-2 transmission under intensive contact tracing in Hunan, China. Nature communications, 12(1)
Hu S, Wang W, Wang Y, Litvinova M, Luo K, Ren L, Sun Q, Chen X, Zeng G, Li J, Liang L, Deng Z, Zheng W, Li M, Yang H, Guo J, Wang K, Chen X, Liu Z, Yan H, Shi H, Chen Z, Zhou Y, Sun K, Vespignani A, Viboud C, Gao L, Ajelli M, Yu H. (2021). Author Correction: Infectivity, susceptibility, and risk factors associated with SARS-CoV-2 transmission under intensive contact tracing in Hunan, China. Nature communications, 12(1)
Sun K, Chen J, Viboud C. (2020). Early epidemiological analysis of the coronavirus disease 2019 outbreak based on crowdsourced data: a population-level observational study. The Lancet. Digital health, 2(4)
Viboud C, Gostic K, Nelson MI, Price GE, Perofsky A, Sun K, Sequeira Trovão N, Cowling BJ, Epstein SL, Spiro DJ. (2020). Beyond clinical trials: Evolutionary and epidemiological considerations for development of a universal influenza vaccine. PLoS pathogens, 16(9)
Amalou A, Türkbey B, Sanford T, Harmon S, Türkbey EB, Xu S, An P, Carrafiello G, Cariati M, Patella F, Obinata H, Mori H, Sun K, Spiro DJ, Suh R, Amalou H, Wood BJ. (2020). Targeted early chest CT in COVID-19 outbreaks as diagnostic tool for containment of the pandemic- A multinational opinion. Diagnostic and interventional radiology (Ankara, Turkey)
Park SW, Sun K, Viboud C, Grenfell BT, Dushoff J. (2020). Potential roles of social distancing in mitigating the spread of coronavirus disease 2019 (COVID-19) in South Korea. medRxiv : the preprint server for health sciences
Park SW, Sun K, Champredon D, Li M, Bolker BM, Earn DJD, Weitz JS, Grenfell BT, Dushoff J. (2021). Forward-looking serial intervals correctly link epidemic growth to reproduction numbers. Proceedings of the National Academy of Sciences of the United States of America, 118(2)
Sun K, Viboud C. (2020). Impact of contact tracing on SARS-CoV-2 transmission. The Lancet. Infectious diseases
Sun K, Wang W, Gao L, Wang Y, Luo K, Ren L, Zhan Z, Chen X, Zhao S, Huang Y, Sun Q, Liu Z, Litvinova M, Vespignani A, Ajelli M, Viboud C, Yu H. (2020). Transmission heterogeneities, kinetics, and controllability of SARS-CoV-2. Science (New York, N.Y.)
Zhang J, Litvinova M, Wang W, Wang Y, Deng X, Chen X, Li M, Zheng W, Yi L, Chen X, Wu Q, Liang Y, Wang X, Yang J, Sun K, Longini IM Jr., Halloran ME, Wu P, Cowling BJ, Merler S, Viboud C, Vespignani A, Ajelli M, Yu H. (2020). Evolving epidemiology of novel coronavirus diseases 2019 and possible interruption of local transmission outside Hubei Province in China: a descriptive and modeling study. medRxiv : the preprint server for health sciences
Deng X, Yang J, Wang W, Wang X, Zhou J, Chen Z, Li J, Chen Y, Yan H, Zhang J, Zhang Y, Wang Y, Qiu Q, Gong H, Wei X, Wang L, Sun K, Wu P, Ajelli M, Cowling BJ, Viboud C, Yu H. (2020). Case fatality risk of the first pandemic wave of novel coronavirus disease 2019 (COVID-19) in China. Clinical infectious diseases : an official publication of the Infectious Diseases Society of America
Chinazzi M, Davis JT, Ajelli M, Gioannini C, Litvinova M, Merler S, Pastore Y Piontti A, Rossi L, Sun K, Viboud C, Xiong X, Yu H, Halloran ME, Longini IM Jr., Vespignani A. (2020). The effect of travel restrictions on the spread of the 2019 novel coronavirus (2019-nCoV) outbreak. medRxiv : the preprint server for health sciences
Chinazzi M, Davis JT, Ajelli M, Gioannini C, Litvinova M, Merler S, Pastore Y Piontti A, Mu K, Rossi L, Sun K, Viboud C, Xiong X, Yu H, Halloran ME, Longini IM Jr., Vespignani A. (2020). The effect of travel restrictions on the spread of the 2019 novel coronavirus (COVID-19) outbreak. Science (New York, N.Y.), 368(6489)
Varble N, Blain M, Kassin M, Xu S, Turkbey EB, Amalou A, Long D, Harmon S, Sanford T, Yang D, Xu Z, Xu D, Flores M, An P, Carrafiello G, Obinata H, Mori H, Tamura K, Malayeri AA, Holland SM, Palmore T, Sun K, Turkbey B, Wood BJ. (2020). Correction to: CT and clinical assessment in asymptomatic and pre-symptomatic patients with early SARS-CoV-2 in outbreak settings. European radiology
Davis JT, Chinazzi M, Perra N, Mu K, Piontti APY, Ajelli M, Dean NE, Gioannini C, Litvinova M, Merler S, Rossi L, Sun K, Xiong X, Halloran ME, Longini IM Jr., Viboud C, Vespignani A. (2020). Estimating the establishment of local transmission and the cryptic phase of the COVID-19 pandemic in the USA. medRxiv : the preprint server for health sciences
Deng X, Yang J, Wang W, Wang X, Zhou J, Chen Z, Li J, Chen Y, Yan H, Zhang J, Zhang Y, Wang Y, Qiu Q, Gong H, Wei X, Wang L, Sun K, Wu P, Ajelli M, Cowling BJ, Viboud C, Yu H. (2020). Case fatality risk of novel coronavirus diseases 2019 in China. medRxiv : the preprint server for health sciences
Varble N, Blain M, Kassin M, Xu S, Turkbey EB, Amalou A, Long D, Harmon S, Sanford T, Yang D, Xu Z, Xu D, Flores M, An P, Carrafiello G, Obinata H, Mori H, Tamura K, Malayeri AA, Holland SM, Palmore T, Sun K, Turkbey B, Wood BJ. (2020). CT and clinical assessment in asymptomatic and pre-symptomatic patients with early SARS-CoV-2 in outbreak settings. European radiology
Zhang J, Litvinova M, Wang W, Wang Y, Deng X, Chen X, Li M, Zheng W, Yi L, Chen X, Wu Q, Liang Y, Wang X, Yang J, Sun K, Longini IM Jr., Halloran ME, Wu P, Cowling BJ, Merler S, Viboud C, Vespignani A, Ajelli M, Yu H. (2020). Evolving epidemiology and transmission dynamics of coronavirus disease 2019 outside Hubei province, China: a descriptive and modelling study. The Lancet. Infectious diseases
Sun K, Zhang Q, Pastore-Piontti A, Chinazzi M, Mistry D, Dean NE, Rojas DP, Merler S, Poletti P, Rossi L, Halloran ME, Longini IM Jr., Vespignani A. (2018). Quantifying the risk of local Zika virus transmission in the contiguous US during the 2015-2016 ZIKV epidemic. BMC medicine, 16(1)
Nadini M, Sun K, Ubaldi E, Starnini M, Rizzo A, Perra N. (2018). Epidemic spreading in modular time-varying networks. Scientific reports, 8(1)
Alessandretti L, Sun K, Baronchelli A, Perra N. (2017). Random walks on activity-driven networks with attractiveness. Physical review. E, 95(5-1)
Pozzana I, Sun K, Perra N. (2017). Epidemic spreading on activity-driven networks with attractiveness. Physical review. E, 96(4-1)
Viboud C, Sun K, Gaffey R, Ajelli M, Fumanelli L, Merler S, Zhang Q, Chowell G, Simonsen L, Vespignani A, . (2018). The RAPIDD ebola forecasting challenge: Synthesis and lessons learnt. Epidemics, (22)
Ajelli M, Zhang Q, Sun K, Merler S, Fumanelli L, Chowell G, Simonsen L, Viboud C, Vespignani A. (2018). The RAPIDD Ebola forecasting challenge: Model description and synthetic data generation. Epidemics, (22)
Zhang Q, Sun K, Chinazzi M, Pastore Y Piontti A, Dean NE, Rojas DP, Merler S, Mistry D, Poletti P, Rossi L, Bray M, Halloran ME, Longini IM Jr., Vespignani A. (2017). Spread of Zika virus in the Americas. Proceedings of the National Academy of Sciences of the United States of America, 114(22)
Tizzoni M, Sun K, Benusiglio D, Karsai M, Perra N. (2015). The Scaling of Human Contacts and Epidemic Processes in Metapopulation Networks. Scientific reports, (5)
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