[1] Inst Salud Carlos III, Natl Ctr Microbiol, Madrid, Spain
[2] Immunopathol Unit, Madrid, Spain
[3] Univ Alcala, Fac Sci, Madrid, Spain
[4] Hosp Univ Clin San Carlos, Internal Med Serv, Madrid, Spain
[5] Inst Salud Carlos III, Biomed Res Ctr Network Infect Dis CIBERINFEC, Madrid, Spain
[6] Inst Salud Carlos III, Immunopathol Unit, Natl Ctr Microbiol, Madrid, Spain
[7] Inst Salud Carlos III, Natl Ctr Microbiol, Viral Hepatitis Reference & Res Lab, Madrid, Spain
[8] Inst Salud Carlos III, Serol Serv, Madrid, Spain
[9] Inst Salud Carlos III, Natl Ctr Microbiol, Arboviruses & Imported Viral Dis Lab, Madrid, Spain