Mandelboim, M.; Mendelson, E.; Drori, Y.; Atari, N.; Lapidot, T.; Megiddo, D.; Gladnikoff, M. Taffix® Nasal Powder Spray Forms an Effective Barrier Against Infectious New Variants of SARS-Cov-2 (Alpha, Beta and Delta). acbr 2021, 5, 794-802.