Population movements had a significant impact on the spread of COVID-19, and vaccination is considered the most effective means for humans to face viral infections.This study identifies the optimal control strategy for COVID-19 prevention and control, and explores the impact of short-term and long-term migration on the optimal proportion of vaccine
Judith Lammers,1 Sweder JG van Wijnbergen,2 Daan Willebrands3 1Academic Medical Center, 2Faculty of Economics and Business, University of Amsterdam, 3Atradius Credit Insurance, Amsterdam, The Netherlands Background: This paper analyzes how different types of Human immunodeficiency virus (HIV) knowledge influences condom use across the sexes.Methods
To build a more accurate motor efficiency model with a strong generalization ability in order to evaluate and improve the efficiency characteristics of electric vehicles, this paper researches motor efficiency modeling based on the bench tests of two motor efficiencies with differently rated powers.This paper compares and analyzes three motor effic
This paper examines the effect of financial deregulation on economic growth in Nigeria using annual data from 1986 to 2016.An index was used to capture financial deregulation.The index was EARACHE RELIEF generated using Principal Component Analysis from six variables namely: bank denationalisation, restructuring and interest rate liberalisation, pr
The research aimed to determine the effect of the learning centres strategy and common strategy in learning some of soccer basic skills and to identify the differences between learning centres strategy and common strategy of the post-test in some of soccer basic skills.The researchers assumed that there is an effect of learning centres strategy and