Relier Pairs DeseasesVersion en ligne Match par Jilliam Flores 1 Covid 19 2 Chickenpox 3 Dengue 4 The flu It is a contagious respiratory illnes caused by influenza virus that infect the nose, throat and lung. It is a viral infection. Some syntoms are high fever, pain behing the eyes and headache. It is an infection that causes a skin rash. It is a coronavirus infectious desease.