Now casual workers and business owners are struggling to stay afloat as pubs, clubs, restaurants and entertainment venues shut their doors.
Coronavirus symptoms can range from mild illness to pneumonia, according to the Federal Government's website. Symptoms can include a fever, coughing, sore throat, fatigue and shortness of breath.
If you develop symptoms within 14 days of returning from overseas or have been in contact with a confirmed COVID-19 case, you should seek medical attention.
If you believe you may need to get tested, call your doctor or contact the national Coronavirus Health Information Hotline on 1800 020 080.
If you are struggling to breathe or experiencing a medical emergency, call 000.