inclusion criteria: * subject is male or female aged ≥45 and \<80 years * subject is tested to confirm infection with sars-cov-2 on a sample taken within 3 days before randomization * subject is either without symptoms or has 1 or more of the following symptoms: stuffy or runny nose, sore throat, loss of taste, loss of smell, headache. none of the symptoms should have been present \>5 days.

inclusion criteria: * subject is male or female aged ≥45 and \<80 years * subject is tested to confirm infection with sars-cov-2 on a sample taken within 3 days before randomization * subject is either without symptoms or has 1 or more of the following symptoms: stuffy or runny nose, sore throat, loss of taste, loss of smell, headache. none of the symptoms should have been present \>5 days.

inclusion criteria: - subject is male or female aged ≥45 and <80 years - subject is tested to confirm infection with sars-cov-2 on a sample taken within 3 days before randomization - subject is either without symptoms or has 1 or more of the following symptoms: stuffy or runny nose, sore throat, loss of taste, loss of smell, headache. none of the symptoms should have been present >5 days.

inclusion criteria: - subject is male or female aged ≥45 and <80 years - subject is tested to confirm infection with sars-cov-2 on a sample taken within 3 days before randomization - subject is either without symptoms or has 1 or more of the following symptoms: stuffy or runny nose, sore throat, loss of taste, loss of smell, headache. none of the symptoms should have been present >5 days.