• Aged 18 to 75 years. • Laboratory confirmed SARS-CoV2 infection. • Advised to self-manage COVID-19 in the community by the regional public health team. • In the Investigator’s opinion, is able and willing to comply with all trial requirements. • Baseline Flu PRO score >1.3 • Able to receive and commence randomised treatment via courier the day after consent was obtained.

• Aged 18 to 75 years. • Laboratory confirmed SARS-CoV2 infection. • Advised to self-manage COVID-19 in the community by the regional public health team. • In the Investigator’s opinion, is able and willing to comply with all trial requirements. • Baseline Flu PRO score >1.3 • Able to receive and commence randomised treatment via courier the day after consent was obtained.