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Updated: Oct 19, 2025

Pairwise Growth Competition Assay for Determining the Replication Fitness of Human Immunodeficiency Viruses
Published on: May 4, 2015
Estimation of the doubling time and reproduction number for COVID-19
Shamim Ahmed1, Mohammad Shemanto2, Hasin Azhari3
1Hochschule Anhalt, Fachbereich Elektrotechnik, Maschinenbau und Wirtschaftsingenieurwesen, Köthen, Germany.
Abstract:
In this paper, we have calculated the basic reproduction number (R0) and doubling time (T) for the novel Coronavirus disease 2019 (COVID-19). The calculation is performed for March 2020 from the data provided by worldometer. We have investigated the data for Germany and Bangladesh. The calculation of R0 is performed based on SIR model. The parameter T is estimated based on the new cases of each day. Since T and R0 in use to judge the lockdowns and other measures to prevent spreading of the virus, we have provided simple approximation of both parameters.

