Covid-19. which was defined as a result of research conducted in a group of patients developing respiratory symptoms in late December 2019 in Wuhan province of China. spread to other countries in a very short time by infecting from people to people. On January 30. https://dmtcpptfr909.nizarblog.com/35080200/consumers-behaviour-of-students-when-shopping-for-organic-food-in-the-czech-republic