Seroprevalence study of Tick-borne encephalitis, Borrelia burgdorferi, Dengue and Toscana virus in Turin Province

2007 ◽  
Vol 25 (2) ◽  
pp. 185-188 ◽  
Author(s):  
Agostino Pugliese ◽  
Tiziana Beltramo ◽  
Donato Torre
Keyword(s):  
Borrelia Burgdorferi ◽  
Toscana Virus ◽  
Seroprevalence Study ◽  
Tick Borne Encephalitis

scholarly journals The elected questions of condition of cellular factors of resistance during tick-borne mixed-infections

2006 ◽  
Vol 5 ◽  
pp. 144-150
Author(s):  
N. P. Pirogova ◽  
M. R. Karpova ◽  
V. V. Novitsky ◽  
A. P. Zima ◽  
O. V. Voronkova ◽  
...  
Keyword(s):  
Immune Response ◽  
Borrelia Burgdorferi ◽  
Inflammatory Cytokines ◽  
Mixed Infection ◽  
Immune Cells ◽  
Peripheral Blood ◽  
Mixed Infections ◽  
Tick Borne Encephalitis ◽  
Cellular Factors ◽  
Tick Borne Encephalitis Virus

The authors of the article are trying to generalize the literary data that characterizing proinflammatory and anti-inflammatory cytokines production of peripheral blood immune cells during tick-borne neuroinfections: Lyme borreliosis, associated with tick- borne encephalitis. The immune response development to antigens of a tick-borne encephalitis virus and Borrelia burgdorferi in pa- tients with a mixed-infection essentially differs from those during monoinfections.

scholarly journals Prevalence of pathogens in ticks collected from humans through citizen science in Belgium

2019 ◽  
Vol 12 (1) ◽  
Author(s):  
Tinne Lernout ◽  
Nick De Regge ◽  
Katrien Tersago ◽  
Manoj Fonville ◽  
Vanessa Suin ◽  
...  
Keyword(s):  
Borrelia Burgdorferi ◽  
Citizen Science ◽  
Lyme Borreliosis ◽  
Great Majority ◽  
Dermacentor Reticulatus ◽  
Human Infection ◽  
Borrelia Miyamotoi ◽  
Tick Borne Encephalitis ◽  
Tick Borne Encephalitis Virus ◽  
First Time

Abstract Background In order to evaluate the risk of human exposure to tick-borne pathogens in Belgium, a study on the prevalence of several pathogens was conducted on feeding ticks removed from humans in 2017. Methods Using a citizen science approach based on an existing notification tool for tick bites, a sample of ticks was collected across the country. Collected ticks were screened by PCR for the presence of the following pathogens: Anaplasma phagocytophilum, Babesia spp., Borrelia burgdorferi (sensu lato), Borrelia miyamotoi, Neoehrlichia mikurensis, Rickettsia helvetica and tick-borne encephalitis virus (TBEV). Results In total, 1599 ticks were included in the sample. The great majority of ticks belonged to Ixodes ricinus (99%); other tick species were identified as Ixodes hexagonus (0.7%) and Dermacentor reticulatus (0.3%). Borrelia burgdorferi (s.l.) was detected in 14% of nymphs and adult ticks. Adult ticks (20%) were more likely to be infected than nymphs (12%). The most common genospecies were B. afzelii (52%) and B. garinii (21%). Except for TBEV, the other tick-borne pathogens studied were all detected in the tick sample, although at a lower prevalence: 1.5% for Babesia spp.; 1.8% for A. phagocytophilum; 2.4% for B. miyamotoi; 2.8% for N. mikurensis; and 6.8% for R. helvetica. Rickettsia raoultii, the causative agent of tick-borne lymphadenopathy, was identified for the first time in Belgium, in two out of five D. reticulatus ticks. Co-infections were found in 3.9% of the examined ticks. The most common co-infection was B. burgdorferi (s.l.) + N. mikurensis. Conclusions Although for most of the tick-borne diseases in Belgium, other than Lyme borreliosis, no or few cases of human infection are reported, the pathogens causing these diseases were all (except for TBEV) detected in the tick study sample. Their confirmed presence can help raise awareness among citizens and health professionals in Belgium on possible diseases other than Lyme borreliosis in patients presenting fever or other non-characteristic symptoms after a tick bite.

scholarly journals LONG-TERM MONITORING OF TICK-BORNE VIRAL ENCEPHALITIS AND TICK-BORNE BORRELIOSIS IN THE KOMI REPUBLIC

2019 ◽  
Author(s):  
B. Gnativ ◽  
N. K. Tokarevich
Keyword(s):  
Borrelia Burgdorferi ◽  
Incidence Rate ◽  
Komi Republic ◽  
Tick Bite ◽  
Anthropogenic Factors ◽  
Enzyme Linked Immunosorbent Assay ◽  
Tick Bites ◽  
Tick Borne Encephalitis ◽  
The Impact

Our study was aimed at analyzing data combining objective is epidemiological, zoological and entomological research intended to determine the environmental and epidemiological patterns of tick-borne encephalitis (TBE) and Lyme borreliosis (LB) foci, as well as the role of anthropogenic factors in epidemic manifestations to improve anti-epidemic activities.Long-term data on the abundance of ticks flagged from vegetation in various districts of the Komi Republic (RK) have been analyzed. The prevalence of tick-borne encephalitis virus (TBEV) and Borrelia burgdorferi (agent of LB) in ticks picked from vegetation, humans and domestic animals in various districts of the RK was measured by using enzyme-linked immunosorbent assay and polymerase chain reaction (PCR-ELISA). In addition, the data on 1994 – 2017 tick-bite incidence in RK in, 1970 – 2017 TBE incidence, and 1997 – 2017 LB incidence were also examined and correlated with the impact of forest transformation on the TBE incidence.The rise of tick population in the southern districts of RK and its northward expansion were noted. It is also shown that the RK territory, where tick bites are registered, expanded significantly.Mean annual tick-bite incidence rate in 2006 – 2017 vs. 1994 – 2005 timeframe was increased by 4-fold.RK regions where deforestation took place, the tick-bite incidence was increased, and the local TBE incidence elevated distinctly.In recent years, there was a rise in TBEV prevalence in ticks, collected either from vegetation or from humans and animals.In 2006 – 2017 and 1970 – 1981, mean annual TBE incidence rate increased by a 11- and 36-fold as compared to that one registered in 1982 – 1993. In recent years, the most severe focal TBE forms began to be recorded. In 1996 – 2017, the TBE mortality rate was 2.3%.The main features of LB epidemiology mimic those found in TBEV. In particular, the prevalence of Borrelia burgdorferi in ticks flagged from vegetation increased from 9.5% to 34.7% in 2010 vs. 2017, respectively. A sharp rise in LB incidence rate and profound northward shift for bacterial range, where this infection started to be registered only in recent years, were noted. Both TBE and LB demonstrated marked occupation-related pattern.The need in conducting task-oriented prophylaxis of tick-borne infections is necessitated by taking into account geographic specifics. The RK northern regions should be considered as potentially endemic, where tick bites in human population has recently begun to be reported.

Identification of new endemic tick-borne encephalitis foci in Poland – a pilot seroprevalence study in selected regions

2008 ◽  
Vol 298 ◽  
pp. 102-107 ◽  
Author(s):  
Pawel Stefanoff ◽  
Joanna Siennicka ◽  
Jaroslaw Kaba ◽  
Mariusz Nowicki ◽  
Emoke Ferenczi ◽  
...  
Keyword(s):  
Seroprevalence Study ◽  
Tick Borne Encephalitis

Serological evidence of Toscana virus infection in Portuguese patients

2011 ◽  
Vol 140 (6) ◽  
pp. 1147-1150 ◽  
Author(s):  
F. AMARO ◽  
T. LUZ ◽  
P. PARREIRA ◽  
A. MARCHI ◽  
M. G. CIUFOLINI ◽  
...  
Keyword(s):  
Laboratory Diagnosis ◽  
Immunofluorescence Assay ◽  
Igg Antibodies ◽  
Toscana Virus ◽  
Serological Evidence ◽  
Seroprevalence Study ◽  
Neurological Signs ◽  
Two Samples ◽  
Vector Borne ◽  
The Mediterranean Basin

SUMMARYToscana virus (TOSV) is an emergingPhlebovirusof growing interest as a human pathogen in the Mediterranean Basin. In Portugal, however, little is known about the prevalence of TOSV infection. The aim of this work was to perform a seroprevalence study in patients with requests for laboratory diagnosis of vector-borne viruses. A total of 538 patients with and without neurological signs from 2004 to 2008 were studied by in-house indirect immunofluorescence assay and commercial enzyme-linked immunosorbent assays. A prevalence of 4·2% for IgG antibodies was found in the group of patients with neurological signs. Five (3%) of these had recent infections. In the group with no neurological signs, the IgG prevalence was 1·3%. Two samples, belonging to two patients, were also confirmed with plaque reduction neutralization tests with the TOSV ISS. Phl.3 Italian strain. This work showed that TOSV is present and causing disease from north to south in Portugal. The probable circulation of different phlebovirus serotypes in Portugal emphasizes the need for further studies.

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