City statistics for the week ending Jan. 5 show Roxbury and Hyde Park had the highest percentage of emergency-room visits due to flu-like symptoms while Charlestown had the highest per-capita number of confirmed flu cases. The latest Boston Public Health Commission flu report  shows a total of 750 confirmed flu cases city wide for this flu season - 231 of them since Dec. 31. Most are Influenza A with a small number of Influenza B cases.
On Wednesday, Mayor Menino declared a public-health emergency  in part because health-care facilities are now at or near capacity. One out of four of the confirmed cases have been among people who had to be hospitalized; four people have died.
Neighborhood health centers are running free flu-shot clinics for Boston residents  this weekend and next week.