The entire Chilean delegation of bishops tendered its resignation to the pope last month after a series of meetings at the Vatican.
Argentine-born Francis, whose decision was announced in a Vatican statement today, has said it must not happen again on his watch.
But the pontiff himself became mired in the scandal when, during a trip to Chile in January, he defended Barros who was accused of covering up Karadima's wrongdoing.
He has since received two groups of Karadima's victims at the Vatican.
Since 2000, about 80 Roman Catholic priests have been reported to authorities in Chile for alleged sexual abuse.
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