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Muluneh Alene, Leltework Yismaw, Moges Agazhe Assemie, Daniel Bekele Ketema, Wodaje Gietaneh, Tilahun Yemanu Birhan
Background Understanding the epidemiological parameters that determine the transmission dynamics of COVID-19 is essential for public health intervention. Globally, a number of studies were conducted to estimate the average serial interval and incubation period of COVID-19. Combining findings of existing studies that estimate the average serial interval and incubation period of COVID-19 significantly improves the quality of evidence. Hence, this study aimed to determine the overall average serial interval and incubation period of COVID-19. Methods We followed the PRISMA checklist to present this study. A comprehensive search strategy was carried out from international electronic databases (Google Scholar, PubMed, Science Direct, Web of Science, CINAHL, and Cochrane Library) by two experienced reviewers (MAA and DBK) authors between the 1st of June and the 31st of July 2020. All observational studies either reporting the serial interval or incubation period in persons diagnosed with COVID-19 were included in this study. Heterogeneity across studies was assessed using the I2 and Higgins test. The NOS adapted for cross-sectional studies was used to evaluate the quality of studies. A random effect Meta-analysis was employed to determine the pooled estimate with 95% (CI). Microsoft Excel was used for data extraction and R software was used for analysis. Results We combined a total of 23 studies to estimate the overall mean serial interval of COVID-19. The mean serial interval of COVID-19 ranged from 4. 2 to 7.5 days. Our meta-analysis showed that the weighted pooled mean serial interval of COVID-19 was 5.2 (95%CI: 4.9–5.5) days. Additionally, to pool the mean incubation period of COVID-19, we included 14 articles. The mean incubation period of COVID-19 also ranged from 4.8 to 9 days. Accordingly, the weighted pooled mean incubation period of COVID-19 was 6.5 (95%CI: 5.9–7.1) days. Conclusions This systematic review and meta-analysis showed that the weighted pooled mean serial interval and incubation period of COVID-19 were 5.2, and 6.5 days, respectively. In this study, the average serial interval of COVID-19 is shorter than the average incubation period, which suggests that substantial numbers of COVID-19 cases will be attributed to presymptomatic transmission.
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Alene, M., Yismaw, L., Assemie, M. A., Ketema, D. B., Gietaneh, W., & Birhan, T. Y. (2021). Serial interval and incubation period of COVID-19: a systematic review and meta-analysis. BMC Infectious Diseases, 21(1), 257. https://doi.org/10.1186/s12879-021-05950-x
Alene, Muluneh, et al. "Serial interval and incubation period of COVID-19: a systematic review and meta-analysis." BMC Infectious Diseases, vol. 21, no. 1, 2021, pp. 257, https://doi.org/10.1186/s12879-021-05950-x.
Alene, Muluneh, Leltework Yismaw, Moges Agazhe Assemie, Daniel Bekele Ketema, Wodaje Gietaneh, and Tilahun Yemanu Birhan. "Serial interval and incubation period of COVID-19: a systematic review and meta-analysis." BMC Infectious Diseases 21, no. 1 (2021): 257. https://doi.org/10.1186/s12879-021-05950-x.
Alene M., Yismaw L., Assemie M. A. [и др.] Serial interval and incubation period of COVID-19: a systematic review and meta-analysis // BMC Infectious Diseases. — 2021. — Vol. 21, № 1. — P. 257. — URL: https://doi.org/10.1186/s12879-021-05950-x
@article{alene2021serial,
title = {{Serial interval and incubation period of COVID-19: a systematic review and meta-analysis}},
author = {Muluneh Alene and Leltework Yismaw and Moges Agazhe Assemie and Daniel Bekele Ketema and Wodaje Gietaneh and Tilahun Yemanu Birhan},
journal = {BMC Infectious Diseases},
year = {2021},
volume = {21},
number = {1},
pages = {257},
doi = {10.1186/s12879-021-05950-x},
url = {https://doi.org/10.1186/s12879-021-05950-x}
}TY - JOUR AU - Alene, Muluneh AU - Yismaw, Leltework AU - Assemie, Moges Agazhe AU - Ketema, Daniel Bekele AU - Gietaneh, Wodaje AU - Birhan, Tilahun Yemanu TI - Serial interval and incubation period of COVID-19: a systematic review and meta-analysis JO - BMC Infectious Diseases VL - 21 IS - 1 SP - 257 PY - 2021 DA - 2021/03/11 DO - 10.1186/s12879-021-05950-x UR - https://doi.org/10.1186/s12879-021-05950-x ER -
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