inclusion criteria: * adults (≥18 years) * those living within the uk * those self-isolating at home within 48 hours of the start of the illness with: 1. clinical symptoms suggestive of covid-19 (i.e. those who have at least one of the following symptoms: recent onset of (i) new continuous cough and/or (ii) high temperature) and/or (iii) loss of, or change in, sense of smell or taste (anosmia) or 2. those with virologically confirmed sars-cov-2 infection and clinical symptoms indicative of covid-19 (as detailed in (a) above). * provision of informed consent

inclusion criteria: * adults (≥18 years) * those living within the uk * those self-isolating at home within 48 hours of the start of the illness with: 1. clinical symptoms suggestive of covid-19 (i.e. those who have at least one of the following symptoms: recent onset of (i) new continuous cough and/or (ii) high temperature) and/or (iii) loss of, or change in, sense of smell or taste (anosmia) or 2. those with virologically confirmed sars-cov-2 infection and clinical symptoms indicative of covid-19 (as detailed in (a) above). * provision of informed consent

inclusion criteria: adults (≥18 years) those living within the uk those self-isolating at home within 48 hours of the start of the illness with: clinical symptoms suggestive of covid-19 (i.e. those who have at least one of the following symptoms: recent onset of (i) new continuous cough and/or (ii) high temperature) and/or (iii) loss of, or change in, sense of smell or taste (anosmia) or those with virologically confirmed sars-cov-2 infection and clinical symptoms indicative of covid-19 (as detailed in (a) above). provision of informed consent

inclusion criteria: adults (≥18 years) those living within the uk those self-isolating at home within 48 hours of the start of the illness with: clinical symptoms suggestive of covid-19 (i.e. those who have at least one of the following symptoms: recent onset of (i) new continuous cough and/or (ii) high temperature) and/or (iii) loss of, or change in, sense of smell or taste (anosmia) or those with virologically confirmed sars-cov-2 infection and clinical symptoms indicative of covid-19 (as detailed in (a) above). provision of informed consent

inclusion criteria: - adults (≥18 years) - those living within the uk - those self-isolating at home within 48 hours of the start of the illness with: 1. clinical symptoms suggestive of covid-19 (i.e. those who have at least one of the following symptoms: recent onset of (i) new continuous cough and/or (ii) high temperature) and/or (iii) loss of, or change in, sense of smell or taste (anosmia) or 2. those with virologically confirmed sars-cov-2 infection and clinical symptoms indicative of covid-19 (as detailed in (a) above). - provision of informed consent

inclusion criteria: - adults (≥18 years) - those living within the uk - those self-isolating at home within 48 hours of the start of the illness with: 1. clinical symptoms suggestive of covid-19 (i.e. those who have at least one of the following symptoms: recent onset of (i) new continuous cough and/or (ii) high temperature) and/or (iii) loss of, or change in, sense of smell or taste (anosmia) or 2. those with virologically confirmed sars-cov-2 infection and clinical symptoms indicative of covid-19 (as detailed in (a) above). - provision of informed consent