Abstract Background Several vaccines have been fast-tracked in an attempt to decrease the morbidity and mortality of COVID-19. However. post-exposure prophylaxis has been overlooked in battling COVID-19. Main text Inhaled nitric oxide is a potential tool in post-exposure prophylaxis of COVID-19. https://www.bekindtopets.com/mega-grab-Freetress-Crochet-Braid-DEEP-TWIST-14-Inch-save-more/