AUTHOR=Possas Cristina , Risi João Baptista , Homma Akira TITLE=Vaccine coverage in the tropics: sharp decline in immunization and implications for Disease X preparedness and the UN 2030 agenda JOURNAL=Frontiers in Tropical Diseases VOLUME=5 YEAR=2024 URL=https://www.frontiersin.org/journals/tropical-diseases/articles/10.3389/fitd.2024.1441970 DOI=10.3389/fitd.2024.1441970 ISSN=2673-7515