in granting broad worldwide access to vaccination. The accumulated delays in providing effective Covid-19 vaccine …

We study the problem of a policymaker who aims at taming the spread of an epidemic while minimizing its associated … characterized by three distinct periods: the epidemic is first let freely evolve, then vigorously tamed, and finally a less …

above and below 60 years of age, respectively. We used the model to consider four scenarios: 1) vaccination of 1.5 million … persons 60 years of age or older, none below that age, 2) vaccination of 1.5 million persons below the age of 60 years, none … above that age, 3) vaccination of 900.000 persons below 60 years of age and 1.5 million person 60 years of age or older, and …

Vaccine boosters have been recommended to mitigate the spread of the coronavirus disease 2019 (COVID-19) pandemic. A … symptomatic and asymptomatic classes, and the recovery rate from asymptomatic infection. Simulation results support the positive …

This is a preliminary note for building and creating interactive models of the spread of the novel coronavirus. This … note explains the basic idea of various epidemic models and show how to use some of built-in functions in Wolfram … Mathematica to visualize solutions of these epidemic models …