Journal of medical virology · 2011
Persistence of West Nile virus immunoglobulin M antibodies, Greece.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Papa Anna, Danis Kostas, Athanasiadou Afroditi, Delianidou Maria, Panagiotopoulos Takis
Аннотация
A major outbreak of West Nile virus (WNV) lineage 2 infections was observed in 2010 in Greece. In order to check the persistence of WNV IgM antibodies, a second serum sample taken 75-180 days after onset of the illness from 29 patients with WNV infection was tested. A third sample was obtained 181-270 days after onset of the illness from 8 of the 12 patients with IgM-positive second sample. Mixed effects linear regression analysis indicated that the approximate time at which IgM index became negative was 164 (95% confidence interval, 95% CI 99-236) days after the symptoms' onset. Persistence of IgM antibodies was observed in 12% of patients at 181-270 days of follow-up. A sharp decrease in the IgM levels was observed, mainly in patients who had high IgM index value in the acute phase. All patients were WNV IgG positive at the follow-up.