This supplement was written by Claire J. Horwell (Durham University, UK; This email address is being protected from spambots. You need JavaScript enabled to view it.; Principal Investigator of the HIVE project and Director of IVHHN), with support from the members of the HIVE Consortium: Judith Covey (Durham University, UK; Co-Investigator); Claudia Merli (Uppsala University, Sweden1; Co-Investigator); Lena Dominelli (Stirling University, UK1; Co-Investigator); Karen S. Galea (Institute of Occupational Medicine (IOM), UK; Co-Investigator); Hilary Cowie (IOM, UK; Co-Investigator); Ernesto Schwartz-Marin (University of Exeter, UK1); Fentiny Nugroho (University of Indonesia); Laksmi Rachmawati (LIPI Indonesia/University of Indonesia); Maria Aurora Armienta, Ana Lillian Martin del Pozzo, Rita Fonseca (UNAM, Mexico); Hiro Inoue, Makoto Hagino, Sueo Kuwahara, Satoru Nishimura, Takeshi Baba, Takuya Samukawa; Ryoichi Ogawa (Kagoshima University, Japan); William Mueller, John W. Cherrie, Andrew Apsley, Susanne Steinle, Anne Sleeuwenhoek, Fintan Hurley, Damien McElvenny, Miranda Loh (IOM, UK); Erwin Nugraha (Durham University, UK). The article and HIVE project also were supported by Fiona McDonald (Queensland University of Technology (QUT), Australia), Rachel Kendal (Durham University, UK) and Ewa Wojkowska (Kopernik). The HIVE project partnered with the Pan American Health Organization (Ciro Ugarte; Alex Camacho; Tamara Mancero, Federico Yanez, Rosario Muñoz and Victor Hugo Ariscain), International Society for Respiratory Protection (Mike Clayton, Keith Roddan, Eva Dickson), Indonesian Red Cross (PMI Yogyakarta; GPBH. H. Prabukusumo, S.Psi.; Jumali; Arif Rianto; Agus Setiawan) and Save the Children, Indonesia (Ronald Sianipar). The HIVE team also worked with BPBD DIY (Yogyakarta disaster management agency, Indonesia; Danang Samsu); UNICEF Indonesia (Richard Wecker), Robie Kamanyire (Public Health England, UK), Sari Mutia Timur (Yakkum Emergency Unit, Indonesia) and Direct Relief (Daniel Hovey) as well as community representatives living around Sakurajima, Popocatépetl and Merapi volcanoes. The HIVE informational products were produced with Ariani Soejoeti, Borneo Productions International (Bjorn Vaughn, Pierce Vaughn); Rekam Nusantara Foundation/Indonesia Nature Film Society (Eew Irawan Putra, Anwar Fachrudin, Rifky) and AlphaGraphic (UK). The HIVE Team are also grateful for the contribution of the HIVE Advisory Group: Peter Baxter (University of Cambridge, UK; Chair); Djoni Ferdiwajaya (Mercy Corps, Indonesia); Debbie Jarvis and Paul Cullinan (Imperial College London, UK), Mark Booth (University of Newcastle, UK), Robert Gougelet (NIST, USA). 1Formerly at Durham University, UK.