Health authorities will target Queensland's anti-vaxxer hot spots as part of its COVID-19 jab campaign, as an expert warns areas with notoriously low vaccination rates will be "really hard to crack". It comes as new federal immunisation data revealed popular Queensland holiday destinations like the Gold Coast were among regions with the lowest children immunisation levels. Chief Health Officer Jeannette Young told The Sunday-Mail their first priority was making sure the highest risk groups were vaccinated. "That will take some time and is being led by the Commonwealth," she said. "But we'll also target regions where immunisation rates for other conditions are traditionally lower.