Genomic epidemiology of chikungunya virus in Guangdong, China
Sequencing 1,264 chikungunya virus genomes from the 2025 Guangdong outbreak (>25,000 confirmed cases) traces the epidemic to a single Reunion-associated ECSA lineage introduction in late April–early May 2025 and reveals contrasting spatial dispersal between the Foshan and Jiangmen epidemic waves.
Integrated surveillance resolves the Darién paradox of Oropouche virus emergence in Panama
Integrated clinical, genomic, and climate surveillance of 1,040 patients in Panama’s Darién migration corridor reveals a 43% Oropouche virus positivity rate, a 56% household secondary attack rate, and a single October 2024 introduction with broad susceptibility across Central America.