Journal
VIRUSES-BASEL
Volume 11, Issue 4, Pages -Publisher
MDPI
DOI: 10.3390/v11040360
Keywords
Lloviu virus; Prevalence; Serology; Human; Bats
Categories
Funding
- project VIROBAT3 of the General Research Program of the Spanish [SAF2013-47194-P]
- RICET (Red de Enfermedades Tropicales) [RD12/0018/0006, RD12/0018/0011, RD16CIII/0003/0003, RD16CIII/0003/0004]
- RETICS Plan Estatal de I+D+I 2013-2016
- FEDER A way to do Europe
- FIS (Fondo de Investigacion Sanitaria) [CD10/00009 -MPY1434/10]
- National Science Foundation [1757346]
- Division Of Graduate Education
- Direct For Education and Human Resources [1757346] Funding Source: National Science Foundation
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Although Lloviu virus (LLOV) was discovered in the carcasses of insectivorous Schreiber's Bent-winged bats in the caves of Northern Spain in 2002, its infectivity and pathogenicity remain unclear. We examined the seroprevalence of LLOV in potentially exposed Schreiber's Bent-winged bats (n = 60), common serotine bats (n = 10) as controls, and humans (n = 22) using an immunoblot assay. We found antibodies against LLOV GP(2) in all of Schreiber's Bent-winged bats serum pools, but not in any of the common serotine bats and human pools tested. To confirm this seroreactivity, 52 serums were individually tested using Domain Programmable Arrays (DPA), a phage display based-system serology technique for profiling filovirus epitopes. A serological signature against different LLOV proteins was obtained in 19/52 samples tested (36.5%). The immunodominant response was in the majority specific to LLOV-unique epitopes, confirming that the serological response detected was to LLOV. To our knowledge, this is the first serological evidence of LLOV exposure in live captured Schreiber's Bent-winged bats, dissociating LLOV circulation as the cause of the previously reported die-offs.
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