Group A: Anyone other than the adults aged ≥18 years who are vaccinated  Inclusion Criteria:  Individuals under the age of 18 Individuals with a contraindication to study vaccines Those not willing to be vaccinated but consent to follow up  Exclusion Criteria:  - There are no exclusion criteria for this category of participants:  Group B: Adults aged 18 years or older, who will be vaccinated as part of the intervention.  Exclusion Criteria:  Anaphylactic reaction to any component of the study vaccine or to a previous dose of the study vaccines Pregnancy