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Enhanced surveillance and awareness among medical professionals has led to the identification of autochthonous cases. Tick-borne encephalitis virus TBEV can infect humans, causing febrile illness; neurologic complications include encephalitis 1. TBEV is transmitted through bites of infected ticks to many animals, including deer, which serve as feeding hosts for ticks 23.
Expansion of TBEV subtypes has been reported 4. A Spatial distribution of serologic test results solid black circle, SNT positive; open white circle, During January—Septemberhunters collected blood samples from roe deer Capreolus capreolus from locations across the Netherlands.
We extracted RNA from pools of 5 nymphs or 2 adults 7 and tested for flavivirus by using a reverse transcription quantitative PCR. We detected flavivirus RNA in 1 nymph pool and 1 pool of adult female ticks. To obtain sequences of the 2 reverse transcription quantitative PCR—positive samples, we used primers and protocols as described 8.
Both sequences obtained from the tick pools were identical. The concentration of serologically positive roe deer is striking and remains unexplained.
One explanation could be that this area has dense beech tree coverage, and beechnuts are a major food source for roe deer and the bank vole Myodes glareolus.
These host species play a pivotal role in the TBEV enzootic cycle; a habitat suitable for both may have enhanced the local establishment and spread of TBEV. In addition, the finding of a serologically positive roe deer in a southern province of the Netherlands Figurepanel Aalso known for the presence of beech trees, suggests that TBEV is distributed more widely within the Netherlands.
Dissemination of information about the occurrence of TBEV in ticks and wildlife is needed for medical professionals and the general public. In response to our findings, 2 autochthonous TBEV infections were reported in the Netherlands 9 Our findings indicate that clinicians should be aware of the possibility for TBEV infection in humans in the Netherlands.
Her primary research interest is tickborne diseases. The collection of roe deer sera in was financed by the Netherlands Ministry of Economic Affairs former LNV; verplichtingnummer Natural tick-borne encephalitis virus infection among wild small mammals in the southeastern part of western Siberia, Russia.
Vector Borne Zoonotic Dis. Roe deer as sentinels for endemicity of tick-borne encephalitis virus. A survey on cases of tick-borne encephalitis in European countries. Autochthonous tick-borne encephalitis virus-seropositive cattle in Belgium: Tick-borne encephalitis TBE virus prevalence and virus genome characterization in field-collected ticks Ixodes ricinus from risk, non-risk and former risk areas of TBE, and in ticks removed from humans in Germany.
Isolation and molecular characterization of a tick-borne encephalitis virus strain from a new tick-borne encephalitis focus with severe cases in Bavaria, Germany. Ticks Tick Borne Dis.
First human case of tick-borne encephalitis virus infection acquired in the Netherlands, July Tick-borne encephalitis virus is a flavivirus that is transmitted by Ixodes spp ticks in a vast area from western Europe to the eastern coast of Japan.
Tick-borne encephalitis causes acute meningoencephalitis with or without myelitis. Our authors and editors.
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Tick-borne encephalitis (TBE) is a type of viral encephalitis caused by a virus that is spread by ticks. Ticks are small parasites that survive by sucking blood from animals – including humans. Ticks are the main carriers of the virus. NaTHNaC has recently reviewed the country specific guidance for countries with a known or a possible risk of tick-borne encephalitis (TBE).
Detailed information on TBE cases in eleven European countries and reported to the European Centre for Disease Control (ECDC) were obtained and mapped. Deer tick virus is a member of the tickborne encephalitis group of flaviviruses and is closely related to Powassan virus. Deer tick virus was first isolated from Ixodes scapularis ticks in in.
Media in category "Tick-borne encephalitis" The following 3 files are in this category, out of 3 total.