"I was just passing by," said Noemi Martinez. "I heard they were giving them away free for the first 200 people and we stopped by and just got them done."
The on-site clinic was setup in front of the store to provide the community with free seasonal flu shots.
For many low-income residents it was an unexpected opportunity to get vaccinations for themselves and family members.
Eleven-year-old Gavin Perry got his shot along with his mother. Darice Perry says she wants to do all she can to prevent her son from getting sick. She's also worried about the H1N1 virus.
"I'm definitely a lot more scared," said Perry. "It's a whole different feeling this year.
By noon on Saturday health care workers had already administered 150 of the 200 shots available.
Los Angeles County supervisor Mark Ridley-Thomas partnered with the store to provide the shots.
"Some 36,00 people, predictably, die as a result of flu complications," said Ridley-Thomas. "Getting a flu shot can make a big difference."
Ridley-Thomas says there are plans in the work to hold similar clinics throughout Los Angeles County.