I feel these are sites which can be used later in reference for educational projects, possibly. Or for group member’s own personal reference.
https://www.iamat.org/country/yemen/risk/dengue
https://wwwnc.cdc.gov/travel/destinations/clinician/none/yemen
https://wwwnc.cdc.gov/travel/yellowbook/2018/infectious-diseases-related-to-travel/dengue