I'm pretty sure this is fake but it would be great if Australia and other countries were so blunt in their warnings.
#COVID

@rchusid
The meme appears correct. It may be based upon this comprehensive study of more than 5.8 million people with repeated covid infections.

https://www.nature.com/articles/s41591-022-02051-3

Acute and postacute sequelae associated with SARS-CoV-2 reinfection - Nature Medicine

A new analysis using US Department of Veterans Affairs databases showed that reinfection is associated with increased risk of all-cause mortality, hospitalization and a wide range of long COVID complications in individuals who have had SARS-CoV-2 compared to those with no reinfection.

Nature
@RadicalWoman111
The information is correct but this isn't really from the Australian government