Seasonal flu and COVID-19: Introduction, Differences, and Keynotes
Introduction of Seasonal flu and COVID-19 Seasonal flu and COVID-19 both are contagious respiratory illnesses, but their causative agents are different viruses. The etiological agent of COVID-19 is severe acute respiratory syndrome coronavirus 2 (SARS‑CoV‑2) first identified in 2019 while flu is caused by infection …