A dynamic model of hand foot and mouth disease in Jiangsu Province based on EV71 vaccination

JIA Si-yue; LI Jing-xin; ZHU Feng-cai

doi:10.16462/j.cnki.zhjbkz.2019.03.002

Volume 23 Issue 3

Mar. 2019

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JIA Si-yue, LI Jing-xin, ZHU Feng-cai. A dynamic model of hand foot and mouth disease in Jiangsu Province based on EV71 vaccination[J]. CHINESE JOURNAL OF DISEASE CONTROL & PREVENTION, 2019, 23(3): 253-258. doi: 10.16462/j.cnki.zhjbkz.2019.03.002

Citation:

JIA Si-yue, LI Jing-xin, ZHU Feng-cai. A dynamic model of hand foot and mouth disease in Jiangsu Province based on EV71 vaccination[J]. CHINESE JOURNAL OF DISEASE CONTROL & PREVENTION, 2019, 23(3): 253-258. doi: 10.16462/j.cnki.zhjbkz.2019.03.002

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A dynamic model of hand foot and mouth disease in Jiangsu Province based on EV71 vaccination

doi: 10.16462/j.cnki.zhjbkz.2019.03.002

1.
School of Public Health, Nanjing Medical University, Nanjing 211166, China
2.
Department of Vaccine Clinical Evaluation, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing 210009, China

Received Date: 2018-08-31
Rev Recd Date: 2018-12-11
Publish Date: 2019-03-10

Abstract

Abstract

Objective To establish a dynamic model of hand foot and mouth disease in Jiangsu Province, analyze the epidemic of hand foot and mouth disease in Jiangsu, predict the trend of this disease and simulate the effect of EV71 vaccination on the control of hand foot and mouth disease caused by EV71. Methods A compartmental model of hand foot and mouth disease was constructed.A group of differential equations was established. The incidence data of hand foot and mouth disease was used to fit the model and calculate the basic reproduction number of this disease in Jiangsu. Then, vaccination was added to the model and the incidence of hand foot and mouth disease under different vaccination coverage rates was simulated. Results The basic reproduction numbers of hand foot and mouth disease in Jiangsu between 2013 and 2016 were 1.31 (IQR: 0.99-1.48), 1.37 (IQR: 0.97-1.52), 1.34 (IQR: 1.00-1.61) and 1.38 (IQR: 1.00-1.76), respectively. With the increase of immunization coverage of EV71 vaccine, the cases of hand foot and mouth disease caused by EV71 decreased accordingly. When the annual immunization rate of EV71 vaccine was maintained at a high level (75%), the annual incidence of hand foot and mouth disease caused by EV71 after 5 years reduced to 10% of that in the same year when there was no vaccination. Conclusions The epidemic trend of hand foot and mouth disease in Jiangsu is stable from 2013 to 2016. Vaccination plays an important role in controlling hand foot and mouth disease caused by EV71.
- Hand foot and mouth disease,
- Dynamic model,
- Basic reproduction number,
- Vaccination

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References(15)

References

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