> If we were reckless and just wanted to inject someone with the latest update, this could be done in a matter of days. Human trials took months and people stil

> If we were reckless and just wanted to inject someone with the latest update, this could be done in a matter of days. Human trials took months and people still complained that it was 'developed too quickly'. Then there's logistics. I'm sure there is also the commercial concerns about cannibalising their own product. Would you take the 1-strain BioNTech vaccine if you knew that a 5-strain is also in circulation?