Some of the problems may be related to proper storage and handling. When these things first came out they were supposed to be kept super cold until they were going to be injected. The logistics of it proved challenging, so the recommendations were dialed back to make it easier to comply. As a result, the mRNA may have been degraded to a greater or lesser extent depending on how it was stored and handled. Could be the reason some batches are responsible for more injuries than others.
It might even be possible that the shots which are more intact are more likely to cause injury. Maybe they were all supposed to damage the recipients but because of the degradation of the mRNA, some of the shots were less harmful.
Some of the problems may be related to proper storage and handling. When these things first came out they were supposed to be kept super cold until they were going to be injected. The logistics of it proved challenging, so the recommendations were dialed back to make it easier to comply. As a result, the mRNA may have been degraded to a greater or lesser extent depending on how it was stored and handled. Could be the reason some batches are responsible for more injuries than others.
It might even be possible that the shots which are more intact are more likely to cause injury. Maybe they were all supposed to damage the recipients but because of the degradation of the mRNA, some of the shots were less harmful.
https://stevekirsch.substack.com/p/documents-leaked-from-the-ema-confirms