Why only now? Were the subjects covid vaccinated? Doesn't mRNA vaccines contain polymers? https://www.nature.com/articles/s41565-021-01001-3 https://www.nature

Why only now? Were the subjects covid vaccinated? Doesn't mRNA vaccines contain polymers? https://www.nature.com/articles/s41565-021-01001-3 https://www.nature.com/articles/s41565-021-01001-3 I think that is a relevant question now for many scientific studies now since a large part of the population has been vaccinated in some places and age groups Direct reference, only a small vaccine reference https://www.sciencedirect.com/science/article/pii/S0160412022001258?via%3Dihub https://www.sciencedirect.com/science/article/pii/S016041202...