Are you willing to get the Covid vaccine when offered?

buzd said

Generally the data seems to be better on the Moderna vaccine in general, but a lot of good results have been reported with mixing. Since you had Moderna initially, I would say you are good with either. I think the Moderna may be a slightly higher dose.

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Moderna booster isn't the same as regular Moderna, it's a half-dose ("The Moderna COVID-19 single booster dose is half of the dose that is administered for a primary series dose and is administered at least six months after completion of a primary series of the vaccine. " - https://www.fda.gov/news-events/pre...al-actions-use-booster-dose-covid-19-vaccines).

I've seen reports suggesting mixing has better results, but haven't had a chance to check the actual studies myself. They seem to have been enough for the UK to adopt it as protocol though (I had a Pfizer booster after Moderna, and my wife had a Moderna booster after Pfizer accordingly). But either are OK I believe.