In addition, the World Health Organization formed the Smart Vaccination Certificate Working Group in December. Various other countries and organizations also have technical solutions in the ...

In times when controversies over COVID-19 vaccination mandates keep mounting worldwide, Paraguay's authorities Friday announced a proof of immunization against yellow fever will be required to ...

This randomized controlled trial conducted in Kenya and Uganda assessed whether fractional doses of the 17D-204 yellow fever ...

Costa Rica’s Ministry of Health dropped a significant update over the weekend, spotlighting the ongoing yellow fever situation across the Americas and unveiling fresh measures to keep the country safe ...