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Would they be able to tweak this potential booster shot to better target current variants and their descendants? Is there any need to do so? How much about the

Would they be able to tweak this potential booster shot to better target current variants and their descendants? Is there any need to do so? How much about the current vaccine can possibly be changed without major regulatory hurdles or manufacturing blockers?

standardUser 5y ago
Yes, there are already clinical studies underway with altered vaccines and the turn-around on developing these is apparently pretty fast (at least with the mRNA vaccines). I have also read that yes, authorization can happen much faster for vaccines that are slightly altered versions of vaccines that are already granted authorization (but I don't know the details). Here is a random article on the topic that happens to be ovr 2 months old! So this has been going on for a while now... https://www.theguardian.com/world/2021/may/05/tweaked-moderna-vaccine-neutralises-covid-variants-in-trials https://www.theguardian.com/world/2021/may/05/tweaked-modern...