[lyschoening]

Who is to say that other vaccines don't have the same side-effect? That could especially be assumed of the other viral vector vaccines, so Johnson & Johnson, Sputnik and CanSino, none of which have received much scrutiny so far.

Even if the mRNA vaccines are safe, we depend on J&J and AZ doses for our reopening plans in Europe. We can expect economic damage from any wait for alternative vaccine doses.

[marvin]

J&J uses a different adenovirus than AZ (and human rather than chimpanzee). Of course, this is now demonstrated as a potential side effect to be on the lookout for.