Halton Region Public Health is alerting the public to an infection prevention and control (IPAC) lapse at a Burlington walk-in clinic that may have exposed some patients to blood-borne infections over a six-year period.

The issue was identified at the Halton Family Health Centre Walk-in Clinic, located at 2951 Walkers Line, following a public health investigation. Officials say improper practices involving the use of unsterile needles with multidose vials of local anesthetic medication — commonly referred to as “freezing” — may have occurred intermittently between Jan. 1, 2019, and July 17, 2025.

While the same needle was not used continuously during that time, the practice could have posed a risk of cross-contamination and potential transmission of infections such as hepatitis B, hepati

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