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Health authorities are racing to contain potential spread, urgently tracing contacts and pleading with anyone who visited the listed venues to stay alert. Measles, carried through the air after a simple cough or sneeze, can infect nine out of ten unvaccinated people who cross its path. That is why officials are begging residents to check the NSW Health exposure list, monitor for fever, sore eyes, runny nose, cough and the tell‑tale red rash, and call ahead before turning up at a clinic or emergency department.
