El Salvador, Nov. 21 -- El Salvador and Costa Rica have made the Americas the first region in the world to issue digital yellow fever vaccination certificates in accordance with the standards of the World Health Organization's (WHO) Global Digital Health Certification Network. This achievement marks a milestone for the region and reflects its leadership in adopting digital innovations in public health. However, while the WHO completes the consultation processes for the implementation of digital certificates, the international paper certificate continues to be required for travelers entering certain countries, ensuring the continuity and safety of international travel.Both countries achieved this breakthrough thanks to their commitment to th...