Inclusion Criteria:  General population  Be at least 18 years of age, be willing and able to provide written informed consent AND  Health professionals  To be health professionals working in health care institutions at all levels of care for the Ministry of Health (MoH) freely consent to participate in the study  Exclusion Criteria:  All minors (<18) All individuals who do not meet the inclusion criteria listed above and those who are not willing to give written informed consent for participation in this research  In Senegal  All those already vaccinated or being offered a vaccination for COVID-19 and refused and/or delayed the vaccination