Pharmacies across the country are stocking up on free N95 masks for the general public after the Biden administration announced last week it would be giving out 400 million masks from its Strategic National Stockpile. N95 masks are the optimal mask to wear for protection against COVID-19, especially the omicron variant. According to a recent update from The Centers for Disease Control and Prevention, loosely woven cloth products provide the least protection. “Well-fitting disposable surgical masks and KN95s offer even more protection, and well-fitting NIOSH-approved respirators (including N95s…