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Ticks Tick Borne Dis. 2016 Jul;7(5):983-987. doi: 10.1016/j.ttbdis.2016.05.004. Epub 2016 May 11.

Molecular analysis of Crimean-Congo hemorrhagic fever virus and Rickettsia in Hyalomma marginatum ticks removed from patients (Spain) and birds (Spain and Morocco), 2009-2015.

Author information

1
Center of Rickettsiosis and Arthropod-Borne Diseases, Hospital San Pedro-CIBIR, Logroño, Spain. Electronic address: ampalomar@riojasalud.es.
2
Center of Rickettsiosis and Arthropod-Borne Diseases, Hospital San Pedro-CIBIR, Logroño, Spain. Electronic address: aportillo@riojasalud.es.
3
Abies, Environment Resources Inc., Logroño, Spain. Electronic address: david@abies-sl.es.
4
Aranzadi Society of Sciences, San Sebastián, Spain. Electronic address: lidiaroncero@hotmail.com.
5
Aranzadi Society of Sciences, San Sebastián, Spain. Electronic address: jarizaga@aranzadi-zientziak.org.
6
Aranzadi Society of Sciences, San Sebastián, Spain. Electronic address: acrespo@aranzadi-zientziak.org.
7
Aranzadi Society of Sciences, San Sebastián, Spain. Electronic address: ogutierrezjimenez@yahoo.es.
8
Dpto. Biología Animal, Biología Vegetal y Ecología, Universidad de Jaén, Jaén, Spain. Electronic address: jmarquez@ujaen.es.
9
Aranzadi Society of Sciences, San Sebastián, Spain. Electronic address: juanfran@euskalnet.net.
10
Facultad de Medicina, Universidad de Valladolid, Valladolid, Spain. Electronic address: eiros@med.uva.es.
11
Center of Rickettsiosis and Arthropod-Borne Diseases, Hospital San Pedro-CIBIR, Logroño, Spain. Electronic address: jaoteo@riojasalud.es.

Abstract

Crimean-Congo hemorrhagic fever virus (CCHFV) was detected in Spain in 2010. The presence of CCHFV in Hyalomma marginatum ticks from migratory birds passing through Morocco during the spring migration strengthened the hypothesis of the arrival of infected ticks transported by birds to the Iberian Peninsula. Furthermore, Hyalomma species are vectors of bacterial infections such as spotted fever rickettsioses. CCHFV and Rickettsia were screened in Hyalomma ticks from Spain attached to patients (n=12) and birds (n=149). In addition, Rickettsia was investigated in 52 Hyalomma ticks from Morocco (previously reported as CCHFV-infected). No sample collected in Spain showed an infection with CCHFV. Two ticks removed from patients (16.7%), as well as 47 (31.5%) and 4 (7.7%) from birds, collected in Spain and Morocco respectively, were infected with Rickettsia aeschlimannii. Rickettsia sibirica subsp. mongolitimonae was also found in 2 ticks from birds collected in Spain (1.3%). The risk of CCHFV-infected ticks attached to migratory birds to reach the North of Spain is low. This study corroborates the presence of R. aeschlimannii in Spain and Morocco, and supports that H. marginatum can be a potential vector of R. sibirica subsp. mongolitimonae in the Iberian Peninsula.

KEYWORDS:

Crimean-Congo hemorrhagic fever virus; Hyalomma marginatum; Morocco; Spain; Spotted fever group rickettsiae

PMID:
27215620
DOI:
10.1016/j.ttbdis.2016.05.004
[Indexed for MEDLINE]

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