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Immunisation is the most effective way of protecting your child against a range of serious illnesses, including measles, hepatitis B and whooping cough. All vaccines used in Australia undergo stringent testing and ongoing monitoring.

Vaccination is the injection of an inactivated bacteria or virus into the body. This simulated infection allows an individual's immune system to develop an adaptive immunity for protection against that type of illness. When a sufficiently large percentage of a population has been vaccinated, this results in herd immunity.

Influenza (commonly known as the flu) is caused by a highly contagious virus spread mainly through coughing and sneezing. An annual flu vaccination is the most effective way to prevent flu outbreaks.

Whooping cough (pertussis) is a highly contagious respiratory infection which causes a severe cough and can be particularly dangerous to babies under a year old. Vaccination is the best way to reduce the risk of whooping cough.

Post-acute sequelae of COVID-19 (PASC), or long COVID, are a public health concern. While most recover from SARS-CoV-2 infections within weeks, some experience persistent symptoms. Here, we quantified the association between repeated SARS-CoV-2 infections and the risk of hospital-diagnosed PASC.

In 2024, the government of Western Australia introduced 'nirsevimab', a monoclonal antibody offering protection from respiratory syncytial virus (RSV), for eligible infants. This study explores why parents of infants who were eligible to receive nirsevimab opted to decline or delay the immunisation.

Hepatitis B (HBV) prevalence is very high in pregnant women in the Dolpa district of Nepal, a region characterised by a remote geographic landscape and low vaccination coverage. Using mathematical modelling, we evaluated the impact of third-trimester tenofovir disoproxil fumarate (TDF) prophylaxis on HBV burden and estimated the time required to achieve HBV elimination in Dolpa. 

Disease spreading models such as the ubiquitous SIS compartmental model and its numerous variants are widely used to understand and predict the behavior of a given epidemic or information diffusion process. A common approach to imbue more realism to the spreading process is to constrain simulations to a network structure, where connected nodes update their disease state based on pairwise interactions along the edges of their local neighborhood. 

Group A Streptococcus (Strep A) causes a wide spectrum of diseases, ranging from pharyngitis and impetigo to severe invasive infections and immune-mediated conditions such as acute rheumatic fever, rheumatic heart disease and acute post-streptococcal glomerulonephritis. Contemporary data on the global burden of Strep A diseases are lacking.

Socio-economic inequality and vaccination inequity have long been critical issues. However, no studies have explored the gap in influenza vaccination uptake between public and private schools. Importantly, the extent to which socio-economic inequality translates into vaccination uptake inequity has not been quantified.