NORWALK - Hospitals and schools across southwestern Connecticut are continuing to brace for swine flu.Dr. Michael Parry, the chief of infectious diseases at Stamford Hospital, says there has been an increase this week in the number of cases. He says that it is the start of a full outbreak.The Darien School District says an assembly at an elementary school was postponed because 15 percent of students were absent. School officials say it is most likely because of the flu.