3 ms·
one of the few reasons I can think of is allergic reactions to the ingredients, but that is very rare and fairly avoidable.
by shlant 5y ago
one of the few reasons I can think of is allergic reactions to the ingredients, but that is very rare and fairly avoidable.
- dathinab 5y agoand generally short term and as such fairly well observable Vaccine ingredients which stay in the body for a long time could cause long term effects but as far as I know the current wide spread vaccines do not have that.