Original sentence: It is interesting to note how this and similar changes affect individuals.Some are upset by the changes while others see it as evidence of a progressive organization.The Witnesses' position on vaccination and organ transplants has changed over the recent decades.The literature mentions vaccination for the very first time in 1921, stating the following in 1923: "Vaccination summed up is the most unnatural, unhygienic, barbaric, filthy, abhorrent, and most dangerous system of infection known
Edited sentence: The Witnesses' attitude to vaccination and organ transplants, based on the same verses which inform their attitude on blood transfusion, was initially highly condemnatory, although the literature mentions vaccination for the very first time in 1921, stating the following in 1923: "Vaccination summed up is the most unnatural, unhygienic, barbaric, filthy, abhorrent, and most dangerous system of infection known