WASHINGTON — No new blood clotting cases have been definitively confirmed one week after initial reports of such cases led federal regulators to recommend that states temporarily stop administering the Johnson & Johnson coronavirus vaccine. That could change in the coming days, but the news may signal that the vaccine could be back in rotation within a matter of days.

A spokesperson for the Centers for Disease Control and Prevention told Yahoo News on Monday that the agency’s database of vaccine-related medical complications, known as VAERS, “is constantly receiving reports from individuals and providers. CDC scientists have received a handful of adverse events reported in VAERS since the pause announced