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Volume 14, Number 1—January 2008
THEME ISSUE
International Polar Year

Research

Sindbis Virus Infection in Resident Birds, Migratory Birds, and Humans, Finland

Satu Kurkela*†Comments to Author , Osmo Rätti‡, Eili Huhtamo*, Nathalie Y. Uzcátegui*, J. Pekka Nuorti§, Juha Laakkonen*¶, Tytti Manni*, Pekka Helle#, Antti Vaheri*†, and Olli Vapalahti*†**
Author affiliations: *Haartman Institute at the University of Helsinki, Helsinki, Finland; †Helsinki University Central Hospital Laboratory, Helsinki, Finland; ‡University of Lapland, Rovaniemi, Finland; §National Public Health Institute, Helsinki, Finland; ¶Finnish Forest Research Institute, Vantaa, Finland; #Finnish Game and Fisheries Research Institute, Oulu, Finland; **Basic Veterinary Sciences at the University of Helsinki, Helsinki, Finland;

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Table 2

Migratory birds and Sindbis virus, Finland, 2004 and 2005*

Common nameTaxonomic nameNo. samples (no. positive)
2004
2005
Total
JurmoTauvoLågskärTauvoKokkola
Willow warblerPhylloscopus trochilus291051591553451
Garden warblerSylvia borin11462353
Spotted flycatcherMuscicapa striata7136347
Pied flycatcherFicedula hypoleuca71913746
RedstartPhoenicurus phoenicurus81610640
WhitethroatSylvia communis13435
BluethroatLuscinia svecica130132
Lesser whitethroatSylvia curruca42428
Sedge warblerAcrocephalus schoenobaenus351119
Red-backed shrikeLanius collurio18 (1)514
RobinErithacus rubecula22 (1)5211
Song thrushTurdus philomelos11 (1)11
BlackcapSylvia atricapilla4610
RedpollCarduelis flammea3126
Other (<5 individuals/species)†
5
5

19

4
33
Total7019636217830836

*Sampling was conducted during 2004 in Jurmo and Tauvo and during 2005 in Lågskär Island, Tauvo, and Kokkola. One of the birds sampled was not a migratory bird (willow tit), and 2 birds were not passerines (cuckoo and wryneck). Sindbis virus hemagluttination-inhibition antibodies were detected in 3 (a red-backed shrike, a robin, and a song thrush) of 836 samples.
†<5 birds were available from the following species: chaffinch (Fringilla coelebs) 4 samples, wood warbler (Phylloscopus sibilatrix) 4, icterine warbler (Hippolais icterina) 4, reed bunting (Emberiza schoeniclus) 3, siskin (Carduelis spinus) 3, red-breasted flycatcher (Ficedula parva) 2, thrush nightingale (Luscinia luscinia) 2, chiffchaff (Phylloscopus collybita) 2, willow tit (Parus montanus) 1, wryneck (Jynx torquilla) 1, cuckoo (Cuculus canorus) 1, tree pipit (Anthus trivialis) 1, blackbird (Turdus merula) 1, grasshopper warbler (Locustella naevia) 1, rustic bunting (Emberiza rustica) 1, scarlet rosefinch (Carpodacus erythrinus) 1, and fieldfare (Turdus pilaris) 1.

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