, Ministry of Health, Population and Hospital Reform of Algeria

P. Auger, R. Bravo-de-la-parra, J. C. Poggiale, E. Sanchez, T. Nguyen et al., Aggregation of variables and applications to population dynamics, Structured Population Models in Biology and Epidemiology, pp.209-263, 1936.

P. Auger, R. Bravo-de-la-parra, J. C. Poggiale, E. Sanchez, and L. Sanz, Aggregation methods in dynamical systems variables and applications in population and community dynamics, vol.5, pp.79-105, 2008.

N. Bacaër, Un modèle mathématique des débuts de l'épidémie de coronavirus en France

F. Brauer and C. Castillo-chavez, Mathematical Models in Population Biology and Epidemiology, 2012.

O. Diekmann, J. A. Heesterbeek, and J. A. Metz, On the definition and the computation of the basic reproduction ratio R0 in models for infectious diseases in heterogeneous populations, J. Math. Biol, vol.28, p.365382, 1990.

T. Kuniya, Prediction of the Epidemic Peak of Coronavirus Disease in Japan, Journal of Clinical Medecine, vol.9, p.2020

N. M. Linton, T. Kobayashi, Y. Yang, K. Hayashi, A. R. Akhmetzhanov et al., Incubation period and other epidemiological characteristics of 2019 novel coronavirus infections with right truncation: A statistical analysis of publicly available case data, J. Clin. Med, vol.9, p.2020

Z. Liu, P. Magal, O. Seydi, and G. Webb, Understanding Unreported Cases in the COVID-19 Epidemic Outbreak in Wuhan, China, and the Importance of Major Public Health Interventions, Biology, vol.9, p.2020

J. Ma, Estimating epidemic exponential growth rate and basic reproduction number, Infectious Disease Modelling, vol.5, pp.129-141, 2020.

P. Magal and G. Webb, Predicting the number of reported and unreported cases for the COVID-19 epidemic in South Korea

X. Rong, L. Yang, H. Chu, and M. Fan, E?ect of delay in diagnosis on transmission of COVID-19, Mathematical Biosciences and Engineering, vol.17, issue.3, p.27252740, 2020.

H. Sun, Y. Qiu, H. , Y. , Y. Huang et al., Tracking and predicting COVID-19 epidemic in China mainland, vol.2020

P. Van-den-driessche and J. Watmough, Reproduction numbers and sub-threshold endemic equilibria for compartmental models of disease transmission, Math. Biosci, vol.180, p.2948, 2002.

J. S. Weitz and J. Dusho?, Post-death Transmission of Ebola: Challenges for Inference and Opportunities for, Control. Sci Rep, vol.5, 2015.