Scientists Leonor Sánchez-Busó, Iñaki Comas and Fernando González-Candelas of the Joint Unit "Infection and Public Health" of the Cavanilles Institute for Biodiversity and Evolutionary Biology with the collaboration of Guillermo Jorques, epidemiologist of the Centre of Public Health of Alcoy, have carried out a genomic analysis of Legionella pneumophila strains of 13 legionellosis outbreaks produced in Alcoy during the period from 1999 to 2010.