Vaccination bungle: thousands of patients may have been given defective injections by Sydney clinic

NSW Health says patients of Burwood doctors Darrel and Brinda Weinman since 2010 may need to be re-vaccinated

Thousands of patients of a Sydney GP clinic may need to be re-vaccinated after it was discovered some shots were incorrectly stored or out of date.

NSW Health on Wednesday warned vaccines administered by doctors Darrel and Brinda Weinman at their Burwood practice since 2010 may not have been effective. More than 3,000 patients have been notified so far.