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 WMO Press Conference06 November 2025 UNECE Press Conference05 November 2025 OCHA Press Conference31 October 2025 UNEP - Minamata Convention on Mercury Press Conference27 October 2025 United Nations Trade and Development (UNCTAD) Press Conference22 October 2025