inclusion criteria: 1. recruited subjects include all adult patients ≥18 years hospitalised for virologically confirmed 2019-n-cov infection. 2. news of ≥1 upon recruitment 3. auditory temperature ≥38°c with at least one of the following symptoms (cough, sputum production, sore-throat, nasal discharge, myalgia, headache or fatigue) upon admission 4. symptom duration ≤10 days 5. all subjects give written informed consent. 6. subjects must be available to complete the study and comply with study procedures. willingness to allow for serum samples to be stored beyond the study period, for potential additional future testing to better characterize immune response.

inclusion criteria: 1. recruited subjects include all adult patients ≥18 years hospitalised for virologically confirmed 2019-n-cov infection. 2. news of ≥1 upon recruitment 3. auditory temperature ≥38°c with at least one of the following symptoms (cough, sputum production, sore-throat, nasal discharge, myalgia, headache or fatigue) upon admission 4. symptom duration ≤10 days 5. all subjects give written informed consent. 6. subjects must be available to complete the study and comply with study procedures. willingness to allow for serum samples to be stored beyond the study period, for potential additional future testing to better characterize immune response.

inclusion criteria: recruited subjects include all adult patients ≥18 years hospitalised for virologically confirmed 2019-n-cov infection. news of ≥1 upon recruitment auditory temperature ≥38°c with at least one of the following symptoms (cough, sputum production, sore-throat, nasal discharge, myalgia, headache or fatigue) upon admission symptom duration ≤10 days all subjects give written informed consent. subjects must be available to complete the study and comply with study procedures. willingness to allow for serum samples to be stored beyond the study period, for potential additional future testing to better characterize immune response.

inclusion criteria: recruited subjects include all adult patients ≥18 years hospitalised for virologically confirmed 2019-n-cov infection. news of ≥1 upon recruitment auditory temperature ≥38°c with at least one of the following symptoms (cough, sputum production, sore-throat, nasal discharge, myalgia, headache or fatigue) upon admission symptom duration ≤10 days all subjects give written informed consent. subjects must be available to complete the study and comply with study procedures. willingness to allow for serum samples to be stored beyond the study period, for potential additional future testing to better characterize immune response.

inclusion criteria: 1. recruited subjects include all adult patients ≥18 years hospitalised for virologically confirmed 2019-n-cov infection. 2. news of ≥1 upon recruitment 3. auditory temperature ≥38°c with at least one of the following symptoms (cough, sputum production, sore-throat, nasal discharge, myalgia, headache or fatigue) upon admission 4. symptom duration ≤10 days 5. all subjects give written informed consent. 6. subjects must be available to complete the study and comply with study procedures. willingness to allow for serum samples to be stored beyond the study period, for potential additional future testing to better characterize immune response.

inclusion criteria: 1. recruited subjects include all adult patients ≥18 years hospitalised for virologically confirmed 2019-n-cov infection. 2. news of ≥1 upon recruitment 3. auditory temperature ≥38°c with at least one of the following symptoms (cough, sputum production, sore-throat, nasal discharge, myalgia, headache or fatigue) upon admission 4. symptom duration ≤10 days 5. all subjects give written informed consent. 6. subjects must be available to complete the study and comply with study procedures. willingness to allow for serum samples to be stored beyond the study period, for potential additional future testing to better characterize immune response.