[1] Baix Llobregat Council, SCM, Sant Feliu de Llobregat, Spain
[2] Campus Univ Autonoma Barcelona, CReSA, IRTA, IRTA UAB, Bellaterra, Spain
[3] Univ Barcelona, Hosp Clin Barcelona, Dept Microbiol, Barcelona, Spain
[4] Univ Barcelona, Hosp Clin Barcelona, Barcelona Ctr Int Hlth Res CRESIB, ISGlobal, Barcelona, Spain
[5] Agencia Salud Publ Barcelona, Serv Vigilancia & Control Plagues Urbanes, Barcelona, Spain
[6] Inst Salud Carlos III, CIBER Epidemiol & Salud Publ, CIBERESP, Madrid, Spain
[7] Badia Roses & Baix Ter, SCM, Empuriabrava, Spain
[8] Consorci Polit Ambientals Terres Ebre COPATE, Amposta, Spain
[9] Generalitat Catalunya, Dept Salut, Secretaria Salut Publ, Barcelona, Spain
[10] Publ Hlth Agcy Catalonia, Subdirectorate Surveillance & Response Publ Hlth, Barcelona, Spain
[11] Inst Salud Carlos III, Natl Ctr Microbiol, Madrid, Spain