A whooping cough epidemic continues to sweep along the east coast of Australia.
In the past two years, there have been four deaths nationally due to the condition.
Health experts are attributing some of the cases to new tests that are picking up milder cases of the disease.
After an explosion in the number of cases, parents and carers are being warned to update their immunisations with a booster to prevent the spread.
Parents of newborns are eligible for free immunisations.
Source: www. skynews.com.au
