Investigators said they don't have any suspects but are reviewing store footage.
Patricia Headrick said she was shopping at the store on Black Friday when a syringe in a bra picked her finger.
She then went to the hospital and was told it could be up to six months before she can find out if she if infected with anything as serious as HIV.
Investigators said Walmart is cooperating, and no similar incidents have been reported at other Walmarts anywhere in the country or other stores in Cartersville, the sheriff's office said.
The syringes found appear to be used but empty. They have been sent off the state crime lab to be inspected.
Previously posted by RN-T.com: The Bartow County Sheriff's Office reported three separate incidents of shoppers at the Cartersville Walmart finding syringes in clothing.Two people said they were stuck by syringes.
According to reports from the sheriff's office:
On Nov. 22, a woman said her daughter was stuck in the pinky by a syringe that was found in the left foot of pajamas recently purchased at the Walmart, 101 Market Place Blvd., Cartersville.
On Nov. 27, a woman told detective she was poked in the ring finger by a syringe after opening a package of bras she had purchased at Walmart. The woman said a Walmart manager took the syringe and told her to go to the Cartersville Medical Center, where she was checked for HIV and hepatitis. Reports did not indicate the results of those tests.
On Nov. 29, a detective was sent to the store after the manager of the loss prevention department said a woman found a broken/use syringe in a pocket of pants hanging on the rack in the women's department. The woman did not get stuck by the syringe.