Mass #production &amp; delivery of an eventual #Covid_19 is the rate limitng factor to put and end to the #pandemic. I encourage you to find out how $Ino, $mrna, $nvax, $jnj &amp; $AZN are going to get the vaccine to the patient,rather than if they will make a viable vaccine(they will) https://t.co/MVGxFRzQbh