Correct but initially the anti-vaxxers stance was "I'm not going to take an experimental vaccine because I don't know what's in it". Which, let's be honest, if one of the scientists who developed it came out and told them they'd get this look:MRNa vaccines were never released on an 'experimental' basis. Emergency basis, yes which is a far higher standard. Both now have moved from emergency to full approvals.
<iframe src="https://giphy.com/embed/3jN3GziOKUEmI" width="480" height="480" frameBorder="0" class="giphy-embed" allowFullScreen></iframe><p><a href="">via GIPHY</a></p>