You said the same for long-Covid
You’ll find there is robust/concrete (or whatever you want to call it) data for both and plenty of studies have been posted here by myself and many others. If you say there is no robust data on the Covid-19 vaccine efficacy then we can say the same for the vaccine side effects?!
Admit they were wrong about what? For the past two or so years people having been talking about the truth coming out… still waiting on this big reveal!
Covid-19 is not just a sniffle, what an ignorant thing to say.