Tick-borne Encephalitis and Borrelial Antibodies in Serum

2019-05-23 20:21:33 | BioPortfolio


In Slovenia, tick-borne encephalitis and Lyme borreliosis are both endemic diseases with high incidence rates and they are both transmitted by a bite of infected Ixodes ricinus tick. In clinical practice, tick-borne encephalitis is confirmed by demonstration of tick-borne encephalitis antibodies in serum of a patient with compatible clinical presentation and cerebrospinal pleocytosis. Patients with Lyme meningitis or meningoradiculitis also have cerebrospinal pleocytosis, however the presence of borrelial antibodies in serum does not attest Lyme neuroborreliosis. Patients with tick-borne encephalitis and positive borrelial antibodies in serum, but not fulfilling criteria for Lyme neuroborreliosis, are often being treated with antibiotics in several European countries due to the possibility of double infection. The investigators hypothesise that such patients do not benefit from antibiotics. Such an approach may appear safe regarding the possibility of borrelial infection, however it can also be associated with detrimental consequences such as antibiotic related adverse reactions, negative epidemiological impact on bacterial resistance, and intravenous catheter related complications.

Study Design


Tick Borne Encephalitis


Doxycycline, Symptomatic therapy, Questionnaire


University Medical Center Ljubljana




University Medical Centre Ljubljana

Results (where available)

View Results


Published on BioPortfolio: 2019-05-23T20:21:33-0400

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Medical and Biotech [MESH] Definitions

Encephalitis caused by neurotropic viruses that are transmitted via the bite of TICKS. In Europe, the diseases are caused by ENCEPHALITIS VIRUSES, TICK-BORNE, which give rise to Russian spring-summer encephalitis, central European encephalitis, louping ill encephalitis, and related disorders. Powassan encephalitis occurs in North America and Russia and is caused by the Powassan virus. ASEPTIC MENINGITIS and rarely encephalitis may complicate COLORADO TICK FEVER which is endemic to mountainous regions of the western United States. (From Joynt, Clinical Neurology, 1996, Ch26, pp14-5)

The largest genus of TICKS in the family IXODIDAE, containing over 200 species. Many infest humans and other mammals and several are vectors of diseases such as LYME DISEASE, tick-borne encephalitis (ENCEPHALITIS, TICK-BORNE), and KYASANUR FOREST DISEASE.

A subgroup of the genus FLAVIVIRUS that causes encephalitis and hemorrhagic fevers and is found in eastern and western Europe and the former Soviet Union. It is transmitted by TICKS and there is an associated milk-borne transmission from viremic cattle, goats, and sheep.

Chemical, biological, or medical measures designed to prevent the spread of ticks or the concomitant infestations which result in tick-borne diseases. It includes the veterinary as well as the public health aspects of tick and mite control.

Bacterial, viral, or parasitic diseases transmitted to humans and animals by the bite of infected ticks. The families Ixodidae and Argasidae contain many bloodsucking species that are important pests of man and domestic birds and mammals and probably exceed all other arthropods in the number and variety of disease agents they transmit. Many of the tick-borne diseases are zoonotic.

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