The COVID-19-pandemic has unprecedently spurred vaccine development against SARS-CoV-2. Around 170 vaccine projects are listed by WHO and 29 have already entered clinical phase trials. But as scientist all over the world are striving to develop an efficacious vaccine it may be helpful to risk a glance into the backyard of coronavirus research. https://allfixelectricales.shop/product-category/fan-speed-resistor/