Fig. 1
From: Respiratory illness virus infections with special emphasis on COVID-19
Diagrammatic representation of the human body showing the entry ports for different respiratory disease-causing viruses. The preferential binding site for all the viruses is trachial ciliated epithelial cells. HPIV (Human Parainfluenza virus), HRSV(Human respiratory syncytial virus), SARS (Severe Acute Respiratory syndrome), HMV (Human Metapneumovirus)