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Vaccine uptake in the context of mandate announcement and removal: Evidence from Europe and North America

The COVID-19 pandemic drove the implementation of vaccine mandates to protect spaces and/or increase vaccine uptake, though their design, timing, and scope varied across jurisdictions. This study examines the associations of vaccine mandate announcements and removals with COVID-19 vaccine uptake in France, Italy, and California (USA).

An open repository of COVID-19 vaccine mandate studies with a worked scoping review of quasi-experimental evidence

Vaccine mandates were widely implemented against COVID-19, and a large and multidisciplinary literature has emerged as a result, covering fields such as epidemiology, economics, ethics, and law. We compiled an openly available repository of this literature, including 503 studies on COVID-19 vaccine mandates. 

Influenza epidemiology, treatment and prevention in Australian children: Trends from 6 years of PAEDS-FluCAN influenza surveillance (2019-2024)

Influenza remains an important cause of pediatric morbidity and mortality. Immunisation is critical to prevent hospitalisation and severe disease. The COVID-19 pandemic had far-reaching effects on influenza epidemiology and vaccine use.

Increased burden of invasive group A streptococcal disease among Australian children, 2023–2024: a prospective cohort study

Global rates of invasive Group A Streptococcus (iGAS) disease surged from September 2022, exceeding pre-COVID-19 pandemic levels, showing atypical seasonality and disproportionately affecting children. We previously described the epidemiology of iGAS among Australian children from mid-2018 to end 2022 using data from the Paediatric Active Enhanced Diseases network and here provide updated clinical epidemiology for 2023 and 2024 to help inform public health strategies.

SARS-CoV-2 reinfections and subsequent risk of hospital-diagnosed post-acute sequelae in Denmark (2020–2022): a nationwide cohort study

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.

The Spectrum and Burden of COVID-19-Associated Neurologic Disease in Australian Children 2020-2023

We aimed to describe the clinical spectrum and burden of COVID-19-associated neurologic disease in Australian children.

ATAGI Targeted Review 2021: the national COVID-19 vaccination program

The overarching goal of the Australian coronavirus disease 2019 (COVID-19) vaccination program has been to protect all people in Australia from the harm caused by the novel coronavirus SARS-CoV-2. This review reflects on the role of the Australian Technical Advisory Group on Immunisation (ATAGI) in the national COVID-19 vaccination program, in terms of the initial programmatic and clinical recommendations in the evolving context of evidence relating to the disease and vaccines, epidemiology, and the program rollout.

Optimisation of the cultured ELISpot/Fluorospot technique for the selective investigation of SARS-CoV-2 reactive central memory T cells

This study presents an optimised cultured ELISpot protocol for detecting central memory T-cell interferon gamma (IFNγ) responses against SARS-CoV-2 peptides following an initial priming with either peptides, or whole spike protein. 

Characterising the SARS-CoV-2 nucleocapsid (N) protein antibody response

SARS-CoV-2 nucleocapsid (N) protein antibodies can be used to identify the serological response to natural infection in those who have previously received a COVID-19 spike-based vaccine. Anti-N antibody responses can also be induced by inactivated whole SARS-CoV-2 virus vaccines, such as CoronaVac. We aimed to characterise antibody responses to the N protein following COVID-19 and following vaccination with CoronaVac.

Quantifying the impact of contact tracing interview prioritisation strategies on disease transmission: A modelling study

Contact tracing is an important public health measure used to reduce transmission of infectious diseases. Contact tracers typically conduct telephone interviews with cases to identify contacts and direct them to quarantine, with the aim of preventing onward transmission. However, in situations where caseloads exceed the capacity of the public health system, timely interviews may not be feasible for all cases. Here we present a modelling framework for assessing the impact of different case interview prioritisation strategies on disease transmission.