BOSTON (CBS) – Lines were long Saturday at flu clinics around Boston as Mayor Menino and Boston’s Public Health officials urged residents to take advantage of the free flu shots being given out this weekend.

A total of 22 free public flu clinics are happening at city community health centers throughout the weekend. Health officials estimated upwards of 6,000 people got flu shots during Saturday’s clinics.

FIGHTING THE FLU: Free Clinics List  |  What You Need To Know  |  Find A Clinic Near You

Earlier this week, Mayor Menino declared a public health emergency in response to the ongoing flu epidemic.

According to the latest figures released Friday by the Boston Public Health Commission, there have been 750 confirmed flu cases among Boston residents since October 1, compared to 70 cases all of last season. Six residents, including one child under the age of 6, have passed away from flu-related illnesses this season.

People are encouraged to visit or call the Mayor’s Health Line at 617-534-5050 to find out more.