On a Tuesday in Sydney's south-west, Kenneth McCroary's clinic was full, as it often is. The Campbelltown-based GP sees everyone in his local area — newborns, pregnant women, and patients nearing 100 years old. The hours often stretch long, especially so at this time of year. Flu season in Australia typically hits between April and October, and this year is no exception. For Dr McCroary, the crunch of these cases has been compounded by a simultaneous uptick in COVID-19 infections.