The vaccine has an extremely low risk of side effects short term. There is no scientific reason to think there will be long term effects. What exactly are you

The vaccine has an extremely low risk of side effects short term. There is no scientific reason to think there will be long term effects. What exactly are you concerned about? In terms of "we know too little about the vaccine", we know even less about "covid" itself. The vaccine reduces the likelihood you will get severe covid and require hospitalization. It's like a 22x reduction in risk. The vaccine reduces your infectious period if you do catch covid, this reduces R0 (R-naught) will help shorten the pandemic. The delta variant is hospitalizing healthy and young people with no preexisting conditions. Future variants are likely to do so as well.