Sure those cases happened. Of course in a country of 300 million people strange stuff happens every day. What is more likely, that two independently developed

Sure those cases happened. Of course in a country of 300 million people strange stuff happens every day. What is more likely, that two independently developed and tested vaccines using a different technique both have the same rare side effect or that these things happen at a low level in the population and are completely uncorrelated with the vaccine?