[Mediterraneo10]

Note that aledalgrande’s original post above was speaking specifically about annual vaccination. That is is a completely different league than the common vaccines that require a booster shot every decade or so, and are much easier for people moving around internationally to plan around.

[AndrewBissell]

All those vaccines were also tested much more extensively and use techniques which have been widely deployed for much longer than the Covid vaccines.

[presidente20]

This is exactly the point. We have decades of evidence for most vaccines and you only need them infrequently. That's a world away from a 6m old vaccine that hasn't been through the normal approval process.