Before revision:  In April 1975, Sweden discontinued newborns BCG vaccination . The vaccination rate fell from 92\% to 2\% . I compare the numbers of COVID-19 cases and hospitalizations for cohorts born just before and just after that change .
After revision:  In April 1975, Sweden discontinued newborns BCG vaccination led to a dramatic fall of the BCG coverage rate from 92\% to 2\% . I compare the numbers of COVID-19 cases and hospitalizations for cohorts born just before and just after that change .