1. Males or females, aged greater than or equal to 18 years 2. Body mass index (BMI) less than or equal to 40.0 kg/m2 and greater than 15kg/m2 3. Diagnosis of SARS-CoV2 infection by PCR of nasopharyngeal swab, conducted by a NATA accredited laboratory (or international GLP equivalent) within the past 48hrs 4. enrolment within 96 hours from symptom onset (symptoms include: runny nose, headache, sore throat, fever or cough) 5. Willing and able to provide informed consent and comply with all study procedures and restrictions and the required visit schedule 6. Total Nasal Symptom Score at baseline less than 5

1. Males or females, aged greater than or equal to 18 years 2. Body mass index (BMI) less than or equal to 40.0 kg/m2 and greater than 15kg/m2 3. Diagnosis of SARS-CoV2 infection by PCR of nasopharyngeal swab, conducted by a NATA accredited laboratory (or international GLP equivalent) within the past 48hrs 4. enrolment within 96 hours from symptom onset (symptoms include: runny nose, headache, sore throat, fever or cough) 5. Willing and able to provide informed consent and comply with all study procedures and restrictions and the required visit schedule 6. Total Nasal Symptom Score at baseline less than 5