inclusion criteria: * able to provide written informed consent * males or females\* 18 years of age or older * understand and are likely to comply with planned study procedures and be available for all study visits. * have not previously had a covid-19 vaccine and do not intend to have a non-study covid-19 vaccine within the next 6 months

inclusion criteria: * able to provide written informed consent * males or females\* 18 years of age or older * understand and are likely to comply with planned study procedures and be available for all study visits. * have not previously had a covid-19 vaccine and do not intend to have a non-study covid-19 vaccine within the next 6 months

inclusion criteria: able to provide written informed consent males or females* 18 years of age or older understand and are likely to comply with planned study procedures and be available for all study visits. have not previously had a covid-19 vaccine and do not intend to have a non-study covid-19 vaccine within the next 6 months

inclusion criteria: able to provide written informed consent males or females* 18 years of age or older understand and are likely to comply with planned study procedures and be available for all study visits. have not previously had a covid-19 vaccine and do not intend to have a non-study covid-19 vaccine within the next 6 months

inclusion criteria: able to provide written informed consent males or females* 18 years of age or older understand and are likely to comply with planned study procedures and be available for all study visits. have not previously had a covid-19 vaccine and do not intend to have a non-study covid-19 vaccine within the next 3 months

inclusion criteria: able to provide written informed consent males or females* 18 years of age or older understand and are likely to comply with planned study procedures and be available for all study visits. have not previously had a covid-19 vaccine and do not intend to have a non-study covid-19 vaccine within the next 3 months