: Extra doses in vials could significantly stretch nation’s COVID-19 vaccine supply No Comments Uncategorized A simple solution could greatly expand the U.S. supply of Pfizer’s COVID-19 vaccine. A simple solution could greatly expand the U.S. supply of Pfizer’s COVID-19 vaccine. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to print (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on WhatsApp (Opens in new window)