inclusion criteria: * healthcare worker or patient on a general ward who has had a positive covid-19 test or a person who is co-residing with an affected staff member or patient who is now at home in self-isolation. * capable of giving informed consent * able to self-administer the sinus rinses and mouth washes * able to have healthcare professional-led swabs or self-administer the oral and nasopharyngeal swabs * aged 18 years and over.

inclusion criteria: * healthcare worker or patient on a general ward who has had a positive covid-19 test or a person who is co-residing with an affected staff member or patient who is now at home in self-isolation. * capable of giving informed consent * able to self-administer the sinus rinses and mouth washes * able to have healthcare professional-led swabs or self-administer the oral and nasopharyngeal swabs * aged 18 years and over.

inclusion criteria: - healthcare worker or patient on a general ward who has had a positive covid-19 test or a person who is co-residing with an affected staff member or patient who is now at home in self-isolation. - capable of giving informed consent - able to self-administer the sinus rinses and mouth washes - able to have healthcare professional-led swabs or self-administer the oral and nasopharyngeal swabs - aged 18 years and over.

inclusion criteria: - healthcare worker or patient on a general ward who has had a positive covid-19 test or a person who is co-residing with an affected staff member or patient who is now at home in self-isolation. - capable of giving informed consent - able to self-administer the sinus rinses and mouth washes - able to have healthcare professional-led swabs or self-administer the oral and nasopharyngeal swabs - aged 18 years and over.