The initiative, which is supported by the league office and the players’ association, is expected to have the participation of all 30 teams. “We are learning about this disease,” Sikka said. “We have learned a lot in two months. So if we can take the next two months, learn on the fly, mitigate risk, then we can move pretty quickly to do the right things to have safe play.” As practice facilities begin to open around the league, NBA officials are continuing to seek information about best practices to mitigate risk of infection for players and staff. Sikka, one of 10 people on the NBA’s sports science committee, has become one of the league’s resources.