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Wspolwystepowanie Borrelia garinii i B. afzelii wsrod populacji gryzoni lesnych

100%

Pawelczyk A., Sinski E.

Wiadomości Parazytologiczne

|

2001

|

tom 47

|

nr 4

741-746

The maintenance of Borrelia burgdorferi s.1. in the environment is dependent on the zoonotic cycle involving tick vectors and certain reservoir hosts. It is well known, that the same species of wild rodents, as well as the vector Ixodes ricinus, are often co-infected with at least two genomospecies of B. burgdorferi s.1.: B. afzelii and B. garinii. The ticks collected from two rodent species: Clethrionomys glareolus and Apodemus flavicollis were examined for the presence of B. burgdorferi s.1., as well as for B. garinii and B. afzelii. In this study, an immunofluorescent antibody assay (lFA) and polymerase chain reaction (PCR) protocols were used. The high level of infestation in rodents (90% for C. glareolus and nearly 100% for A. flavicollis) shows that wild rodents are important hosts of the immature stages of I. ricinus. A high percent of Borrelia positive ticks collected from bank voles and yellow necked mice; above 7% determined by 1FA and 2% determined by PCR, elearly revealed that these species of animals are competent zoonotic reservoirs of B. burgdorferi s.l.

2

Prewalencja zakazenia kleszczy I.ricinus kretkami Borrelia burgdorferi s.l.: sezonowe i roczne zmiany

100%

Pawelczyk A., Sinski E.

Wiadomości Parazytologiczne

|

2004

|

tom 50

|

nr 2

253-258

3

Prevalence of IgG antibodies response to Borrelia burgdorferi S.L. in populations of wild rodents from Mazury Lakes District Region of Poland

100%

Pawelczyk A., Sinski E.

Annals of Agricultural and Environmental Medicine

|

2000

|

tom 07

|

nr 2

4

Patogeny przenoszone przez kleszcze u osób zakażonych wirusem niedoboru odporności (HIV-1)

81%

Welc-Faleciak R., Bednarska M., Szatan M., Pawelczyk A.

Postępy Mikrobiologii

|

2018

|

tom 57

|

nr 3

5

Seronegative hepatitis C virus infection

81%

Kazmierczak J., Pawelczyk A., Cortes C. K., Radkowski M.

Archivum Immunologiae et Therapiae Experimentalis

|

2014

|

tom 62

|

nr 2

6

Parasites of chaffinch [Fringilla coelebs] population. Part 2. Blood parasites

80%

Pawelczyk A., Gryczynska A., Mazgajski T. D.

Wiadomości Parazytologiczne

|

2003

|

tom 49

|

nr 1

Blood parasites of Chaffinches caught from June to October near Łuknajno Lake (Mazurian Lakeland) were studied. Only parasites belonging to the genera Haemoproteus were found. A decrease in prevalence as the season progressed was observed. No differences in blood parasite infections in relation to the sex of the birds were found. Also males body weight was not affected by the presence of parasites.

7

Current data about the reservoir for Borrelia burgdorferi S.L. in the district of Mazury Lakes, Poland

80%

Sinski E., Pawelczyk A., Karbowiak G.

Wiadomości Parazytologiczne

|

1998

|

tom 44

|

nr 3

8

First evidence of Ehrlichia sp. in wild Microtus arvalis from Poland

80%

Bajer A., Behnke J. M., Pawelczyk A., Sinski E.

Acta Parasitologica

|

1999

|

tom 44

|

nr 3

We examined a total of 73 Microtus arvalis, 168 Clethrionomys glareolus and 17 Apodemus flavicollis trapped in the Mazury Lakes district of North-Eastern Poland, in the spring, summer and autumn of 1998. Three M. arvalis, (2 in summer and 1 in autumn) carried Ehrlichia sp. (overall prevalence = 4.1%), whereas infection was not detected in the other rodent species. We hypothesize that Ixodes ricinus (the most common tick in the region) with which the animals were heavily infested, constitutes the likely natural vector for this pathogen and that M. arvalis are its natural reservoir.

9

Abundance of wild rodents, ticks and environmental risk of Lyme borreliosis: a longitudinal study in an area of Mazury Lakes District of Poland

80%

Sinski E., Pawelczyk A., Bajer A., Behnke J. M.

Annals of Agricultural and Environmental Medicine

|

2006

|

tom 13

|

nr 2

The results of a longitudinal epidemiological survey in two contrasting habitats in an area of the Mazury Lakes district of Poland indicate that both host and vector (Ixodes ricinus) densities, may be the most important risk factors for the tick-transmitted spirochetes of Borrelia burgdirferi s.l. However, the results also highlight that even related host species, such as the wild rodents Apodemus flavicollis and Clethrionomys glareolus that share the same habitat, can show quite different dynamics of tick infestation. We provide evidence that the woodland populations of A. flavicollis and C. glareolus are more frequently infested with larvae than nymphs, and more frequently with both stages than M. arvalis in the neighbouring open fallow lands. The prevalence of infestation with larvae varied from 92% for A. flavicollis, and 76% for C. glareolus to 37% for M. arvalis. Other factors, such as population age structure and sex, were also shown to impact on tick densities on hosts at particular times of the year and hence on the zoonotic risk. Moreover, particular species of rodents from different habitats, A. flavicollis (woodlands) and Microtus arvalis (fallow lands) carry infected immature I. ricinus ticks more frequently than C. glareolus voles (woodlands). Thus, the relative contribution of each species to the cumulative reservoir competence differs among species living in the woodland habitats and in relation to voles living in the fallow lands. It follows, therefore, that any factor which reduces the relative density of A. flavicollis in comparison to other hosts in the wild rodent community, will reduce also the risk of human exposure to Lyme borreliosis spirochetes.

10

Parasites and pathogenes in population of Chaffinch Fringilla coelebs from Masurian Lakeland, NE Poland

71%

Gryczynska A., Dolnik O., Pawelczyk A., Mazgajski T. D., Siemiatkowski M.

Acta Ornithologica

|

2000

|

tom 35

|

nr 1

79-83

The aim of the study was to contribute the knowledge about the coincidence and species selectivity of bird parasites. The subject of our study were Chaffinches captured in Masurian Lake region (NE Poland) from 1996 to 1998. Each bird caught was visually examined for the presence of ticks. Birds' droppings and small volumes of birds' blood were collected in order to ascertain the presence of coccidia and blood parasites. Additionally the presence of bacteria Borrelia burgdorferi — the causative agent of Lyme borreliosis in birds' blood was measured with the nested-polymerase chain reaction method. In total amount of 225 Chaffinches were captured. 44% of them were infested by ticks belonging to Ixodes ricinus species (larvae and nymphs) only. Coccidia from genus Isospora were found in 80% (n = 35) of birds. Protozoans from genus Haemoproteus were ascertained in 53% (n = 59) of Chaffinches and bacteria B. burgdorferi was found in 12.7% (n = 166) of the birds. Three groups of parasites (I. ricinus, Isospora sp., Haemoproteus sp.) were found together in 26% (n = 38) of Chaffinches whereas only 5% of the birds had no parasite infection.

11

Serological diagnostics and molecular identification of tick-borne infections in individuals with human immunodeficiency virus type 1 (HIV-1) infection

71%

Welc-Faleciak R., Bednarska M., Radkowski M., Kowalska J., Pawelczyk A.

Annals of Parasitology

|

2016

|

tom 62

|

nr Suppl.

12

Co - infections involving TBE virus, Babesia and Rickettsia spp. in Dermacentor reticulatus ticks

71%

Mierzejewska E. J., Pawelczyk A., Welc-Faleciak R., Radkowski M., Bajer A.

Annals of Parasitology

|

2013

|

tom 59

|

nr Suppl.

13

First report of two asymptomatic cases of human infection with Babesia microti (Franca, 1910) in Poland

61%

Welc-Faleciak R., Pawelczyk A., Radkowski M., Pancewicz S. A., Zajkowska J., Sinski E.

Annals of Agricultural and Environmental Medicine

|

2015

|

tom 22

|

nr 1

14

Blood parasites in a wild rodent community of Mazury lakes District, Poland

61%

Bajer A., Bednarska M., Pawelczyk A., Konopka E., Karbowiak G., Sinski E.

Wiadomości Parazytologiczne

|

1998

|

tom 44

|

nr 3

Ograniczanie wyników

Wspolwystepowanie Borrelia garinii i B. afzelii wsrod populacji gryzoni lesnych

Prewalencja zakazenia kleszczy I.ricinus kretkami Borrelia burgdorferi s.l.: sezonowe i roczne zmiany

Prevalence of IgG antibodies response to Borrelia burgdorferi S.L. in populations of wild rodents from Mazury Lakes District Region of Poland

Patogeny przenoszone przez kleszcze u osób zakażonych wirusem niedoboru odporności (HIV-1)

Seronegative hepatitis C virus infection

Parasites of chaffinch [Fringilla coelebs] population. Part 2. Blood parasites

Current data about the reservoir for Borrelia burgdorferi S.L. in the district of Mazury Lakes, Poland

First evidence of Ehrlichia sp. in wild Microtus arvalis from Poland

Abundance of wild rodents, ticks and environmental risk of Lyme borreliosis: a longitudinal study in an area of Mazury Lakes District of Poland

Parasites and pathogenes in population of Chaffinch Fringilla coelebs from Masurian Lakeland, NE Poland

Serological diagnostics and molecular identification of tick-borne infections in individuals with human immunodeficiency virus type 1 (HIV-1) infection

Co - infections involving TBE virus, Babesia and Rickettsia spp. in Dermacentor reticulatus ticks

First report of two asymptomatic cases of human infection with Babesia microti (Franca, 1910) in Poland

Blood parasites in a wild rodent community of Mazury lakes District, Poland