TY - JOUR T1 - Estimation of Parameters in a Closed Pygmy Population in Cameroon AU - Kouakep , Yannick Tchaptchie AU - Bekolle , David JO - Annals of Applied Mathematics VL - 2 SP - 126 EP - 137 PY - 2022 DA - 2022/06 SN - 34 DO - http://doi.org/ UR - https://global-sci.org/intro/article_detail/aam/20567.html KW - Hepatitis B, parameters estimation, Baka pygmy group, Cameroon. AB -

Inspired by Kouakep [16], we consider in this note a well-posed model with differential susceptibility and infectivity adding continuous age structure to an ODE model for a “Baka” pygmy group in the East of Cameroon (Africa). Assuming a very low contribution of carriers to infection compared to acute infection, we estimate a probability $p(a)$ (to develop symptomatic Hepatitis B state at age $a$) and acute carriers’ transmission rate. The value $R_0 = 2:67 > 1$ of the basic reproduction number estimated from data in the east of Cameroon confirms that HBV is endemic in the Baka pygmy group.