"Note: more dangerous. Vaccines are dangerous, with significant chances of serious side-effects. This danger has to be weighed when deciding to get a vaccine."
Of course vaccines CAN BE dangerous. Not ARE, but CAN BE, to certain people on an individual by individual basis.
Just as penicillin, tagamet, digoxin, aspirin, acetominophen, etc., can be dangerous as all hell to certain people on an individual basis.