It's always been understood that antibodies wane over time. That's why other cells in our bodies 'remember' viral infections and essentially are primed to crea

It's always been understood that antibodies wane over time. That's why other cells in our bodies 'remember' viral infections and essentially are primed to create antibodies again when infected (https://www.nature.com/articles/s41586-020-2550-z https://www.nature.com/articles/s41586-020-2550-z)