Funding for this research was provided by:
National Health and Medical Research Council (GNT1156742, APP2008392, APP1156312, GNT1141398)
Received: 11 January 2022
Accepted: 20 April 2022
First Online: 13 May 2022
: For the initial PPS study, ethical approval was granted by the Alfred Health Human Research Ethics Committee (HREC/17/Alfred/203) through the Australian National Mutual Assessment process for all states and territories except for Tasmania, for which a separate approval was obtained from the Tasmanian Health and Medical Human Research Committee (H0016978). This study was based on health information collected and published within the Australian PPS or published within the ECDC PPS and did not require informed consent from participants. Data were provided in aggregated form by age and sex strata, with no personal identifiers.
: Not applicable.
: The authors declare that they have no competing interests.