A better technique for nasal sprays

Viral respiratory infections start at the nose. The nasal cavity lining is rich in ACE2 receptors, where the SARS-CoV-2 virus, the cause of COVID-19, can attach to enter the cells and begin viral replication. The article, Nasal rinse and deep gargle stop viral respiratory infections in their tracts, talks about using saline solutions, diluted povidone-iodine,…