Improved hygiene including facemask, social distancing, frequent hand washing are some of the proven methods to reduce the risk of COVID-19 infection among other upper respiratory infections. We would like to remind you of more powerful tool : Nasal irrigation.
Below is link to medscape article on this topic:
https://www.medscape.com/viewarticle/941547?src=WNL_trdalrt_201220_MSCPEDIT&uac=295558DT&impID=2745939&faf=1
Link to the YouTube video :
https://youtu.be/TgsRmkBxWCc
