the MRNA vaccine is just instructions to create the same spike protein found on the outside of covid, it's not covid. MRNA infused cells breakdowns within 2 weeks. It's like spy craft, burn after reading and execute instructions.
the immune system then creates antibodies when the spike proteins are detected. your immune system will recall how to create those antibodies forever.
I don't see how there'd be any effects from the vaccine 20 years from now.
Understanding mRNA COVID-19 Vaccines
The tech alone is new.
The application and method of creation is new.
We pretend to be sure there will be zero long terms .... But we don't know


