This study contributes to current discussions regarding the use of digital solutions and especially (mobile) contact tracingcontact-tracing apps (MCTA) in COVID-19 containment. This study is timely because several countries around the world andworld. including African countriescountries. face an acute shortage of COVID-19 vaccines and as a result complimentary measures and innovative ... https://allfixelectricales.shop/product-category/rangehood-fan-motor/