Comparison of the Basic Reproduction Numbers for COVID-19 through Four Waves of the Pandemic in Vietnam
Abstract
:1. Introduction
2. Materials and Methods
2.1. Study Area
2.2. Data Collection
2.3. Calculation of the Basic Reproduction Number (R0)
2.4. Calculation of Minimal Vaccination Coverage for COVID-19
2.5. Data Analysis
3. Results
3.1. R0 Values of COVID-19 at the National Level from the First Three Waves of the Pandemic in Vietnam
3.2. R0 Values of COVID-19 at the Province Level in Some Locations from the Fourth Wave of the Pandemic in Vietnam
3.3. Minimal Vaccination Coverage for COVID-19
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Outbreak Wave | Time | R0 Estimated Methods | R0 Values | 95% CI |
---|---|---|---|---|
1 | 21 January 2020–24 July 2020 | EG | 1.15 | 0.99–1.31 |
ML | 1.19 | 0.85–1.61 | ||
2 | 25 July 2020–27 January 2021 | EG | 3.31 | 2.72–4.00 |
ML | 2.92 | 2.35–3.58 | ||
3 | 28 January 2021–26 April 2021 | EG | 1.04 | 0.28–1.42 |
ML | 2.38 | 2.04–2.75 |
Area | Province | Province Code | R0 Values | |||
---|---|---|---|---|---|---|
EG Method | 95% CI | ML Method | 95% CI | |||
South | Ho Chi Minh | 79 | 22.05 | 21.86–22.24 | 23.60 | 23.33–23.86 |
Binh Duong | 74 | 7.78 | 7.72–7.84 | 8.55 | 8.46–8.65 | |
Dong Nai | 75 | 3.94 | 3.89–3.98 | 4.46 | 4.39–4.53 | |
An Giang | 89 | 2.40 | 2.38–2.43 | 2.54 | 2.48–2.60 | |
Tay Ninh | 72 | 1.78 | 1.75–1.80 | 2.21 | 2.16–2.26 | |
Central | Da Nang | 48 | 1.73 | 1.70–1.76 | 1.77 | 1.69–1.85 |
North | Ha Noi | 01 | 3.63 | 3.43–3.84 | 3.72 | 3.41–4.04 |
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Mai, N.T.; Tran, G.T.H.; Dang, A.H.; Cao, P.T.B.; Nguyen, T.T.; Pham, H.T.L.; Vu, T.T.T.; Dong, H.V.; Huynh, L.T.M. Comparison of the Basic Reproduction Numbers for COVID-19 through Four Waves of the Pandemic in Vietnam. Int. J. Transl. Med. 2023, 3, 1-11. https://doi.org/10.3390/ijtm3010001
Mai NT, Tran GTH, Dang AH, Cao PTB, Nguyen TT, Pham HTL, Vu TTT, Dong HV, Huynh LTM. Comparison of the Basic Reproduction Numbers for COVID-19 through Four Waves of the Pandemic in Vietnam. International Journal of Translational Medicine. 2023; 3(1):1-11. https://doi.org/10.3390/ijtm3010001
Chicago/Turabian StyleMai, Ngan Thi, Giang Thi Huong Tran, Anh Huu Dang, Phuong Thi Bich Cao, Trung Thanh Nguyen, Huong Thi Lan Pham, Tra Thi Thu Vu, Hieu Van Dong, and Le Thi My Huynh. 2023. "Comparison of the Basic Reproduction Numbers for COVID-19 through Four Waves of the Pandemic in Vietnam" International Journal of Translational Medicine 3, no. 1: 1-11. https://doi.org/10.3390/ijtm3010001