BackgroundDigital proximity tracing (DPT) aims to complement manual contact tracing (MCT) in identifying exposed contacts and preventing further transmission of SARS-CoV-2 in the population. Although several DPT apps. including SwissCovid. have shown to have promising effects on mitigating the pandemic. https://www.parisnaturalfoodes.shop/product-category/proscalp-itch-relief/