thanks. this is a clear answer.

It may also interest you to know that, despite claiming "the link with vaccines is always denied", the https://en.wikipedia.org/wiki/National_Vaccine_Injury_Compen... awarded compensation in 42% of resolved claims, and has paid out multiple billions.

Everyone, including the vaccine manufacturers, is aware of the possibility of rare reactions. This system exists because "no one will make vaccines because a jury of twelve lay people may award a $500M penalty because little Timmy got autism despite there being no link" is a national security threat.