The 1990-1991 season had setbacks for Blair. She contracted a severe case of bronchitis that affected her breathing. The breathing problem lingered through the 1991 World Sprint Championships where she finished fifth. Confidence in coach Crowe had waned in the lead up to the 1988 Olympics, Blair helped to recruit Peter Mueller to coach the U.S. team. The coaching switch took place ten months before the 1992 Olympics. Training with Mueller in the summer before the Olympics, Blair regained her competitive edge.