South Australia has recorded another two cases of COVID-19, including one linked to a cluster.

Adelaide’s northern suburbs have been issued an urgent health alert in relation to the cases.

Chief Public Health Officer Dr Nicola Spurrier has issued the alert for northern suburbs businesses that those who tested positive had visited.

Those locations include a gym, juice bar and a rug business in Blair Athol and Salisbury.

People who visited Fernwood Fitness at Salisbury Downs on 1st August between 6pm and 8:30pm, The Agha Juice House in Blair Athol on 31st July between 5pm and 7:30pm and Najafi Carpet Gallery in Kilburn on 29th July between 5pm and 8pm have been warned that they could have been exposed.

Those who attended have been asked to immediately self-isolate for 14 days from visiting the location and get themselves tested for COVID-19.

Those with concerns can call 1800 253 787.