Breadcrumb Home News & Media WHO hybrid press conference 05 April 2023 Press Conference Announcement Rise of dengue, zika, chikungunya outbreaks and impact of climate change. Dr Raman Velayudhan, Unit Head, Global Program on control of Neglected Tropical Diseases coordinating dengue and arbovirus initiative Dr Diana Rojas Alvarez, Technical Lead, Zika and chikungunya and co-Lead of the Global arbovirus initiative Listen to the audio Related Items OHCHR Press Conference10 December 2025 OHCHR Press Conference05 December 2025 UNMAS Press Conference03 December 2025 UNIDIR Press Conference01 December 2025 UNAIDS Press Conference25 November 2025