| seroconversion in wild birds and local circulation of west nile virus, spain. | a serosurvey for neutralizing antibodies against west nile virus (wnv) in common coots (fulica atra) was conducted in doñana, spain. antibody prevalence was highest in 2003, intermediate in 2004, and lowest in 2005. some birds seroreverted <1 year after first capture. seroconversion of birds suggests local circulation of the virus. | 2007 | 18258046 |
| serologic survey of birds for west nile flavivirus in southern moravia (czech republic). | a serosurvey for west nile virus (wnv) was carried out in 54 domestic birds (geese and ducks bred on fishponds) and 391 wild birds representing 28 migratory and resident species, using a plaque-reduction neutralization microtest with vero cells and egyptian topotype eg-101 strain as test virus. the birds were sampled in the south-moravian fishpond ecosystem between 2004 and 2006. antibodies to wnv were not detected in domestic waterfowl, but 23 (5.9%) free-living birds of 10 species showed a pos ... | 2008 | 18454599 |
| serosurvey of west nile virus and other flaviviruses of the japanese encephalitis antigenic complex in birds from andalusia, southern spain. | abstract flaviviruses of the japanese encephalitis virus (jev) antigenic complex, including west nile virus (wnv), are recognized as emerging and reemerging pathogens. circulation of flaviviruses has been recently detected in different mosquito and vertebrate species in several european countries. a serosurvey study was carried out to evaluate the circulation of wnv and other flaviviruses of the jev antigenic complex in different wild bird species in spain between 2006 and 2009. seropositiviy ag ... | 2010 | 21142954 |
| the common coot as sentinel species for the presence of west nile and usutu flaviviruses in central europe. | we examined 146 common coots (fulica atra) on fishponds in central moravia, czech republic, for antibodies to west nile (wnv) and usutu (usuv) flaviviruses. eighteen birds reacted in the plaque-reduction neutralization test against wnv; these wnv seropositive samples were then titrated in parallel against usuv and tick-borne encephalitis virus (tbev) to exclude flavivirus cross-reactivity. two birds (1.4% overall) had the highest titers against wnv while 9 birds (6.2% overall) were seropositive ... | 2015 | 26412536 |
| serological evidence of west nile virus infection in wild migratory and resident water birds in eastern and northern india. | to assess west nile virus (wnv) infection in wild resident and migratory birds, we tested 3887 samples from 1784 birds belonging to 119 identified species within 30 families collected during 2008-10 from 13 states in india. the serum samples were tested for wnv antibodies initially by a competition elisa and subsequently by a micro-plaque reduction neutralization test (micro-prnt), whereas tracheal and cloacal swabs were subjected to real-time rt-pcr for the detection of the wnv rna. twenty six ... | 2012 | 22925932 |
| west nile virus monitoring in migrating and resident water birds in iran: are common coots the main reservoirs of the virus in wetlands? | a molecular and serological study was carried out to determine the west nile virus (wnv) status in different species of wild water birds. from 2003 to 2007, samples were collected from 519 birds representing 26 different species in iran. out of 519 serum samples tested for wnv antibodies, 78 (15%) were positive when tested using virus neutralization and immunofluorescence. antibodies of wnv were detected in 71 out of 131 common coot (fulica atra) samples. in comparison, only 7 out of 388 birds t ... | 2011 | 21923253 |
| serologic evidence of west nile virus and usutu virus infections in eurasian coots in the netherlands. | west nile virus (wnv) and usutu virus (usuv) are arboviruses that are maintained in enzootic transmission cycles between mosquitoes and birds and are occasionally transmitted to mammals. as arboviruses are currently expanding their geographic range and emerging in often unpredictable locations, surveillance is considered an important element of preparedness. to determine whether sera collected from resident and migratory birds in the netherlands as part of avian influenza surveillance would also ... | 2017 | 28688117 |