Flu and COVID-19 both are contagious respiratory illnesses. Influenza viruses cause flu, whereas Coronavirus causes COVID-19 infections, and both of these illnesses spread rapidly. However, the pace at which COVID-19 is affecting people around the world is far more than flu infections. Presently, the use of vaccines around the world may be successful in minimizing the spread and complications. The similarities between flu and COVID-19 have made it difficult to differentiate between them and take ...