inclusion criteria: - positive sars-cov-2 - symptoms of sars-cov-2 infection e.g. fever, cough and shortness of breath. - access to use a smartphone - can reply to a questionnaire (sent on email, text messages or via telephone interview) in danish - given informed consent

inclusion criteria: - positive sars-cov-2 - symptoms of sars-cov-2 infection e.g. fever, cough and shortness of breath. - access to use a smartphone - can reply to a questionnaire (sent on email, text messages or via telephone interview) in danish - given informed consent