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Table 1 Serological testing for alphaviruses

From: Prolonged polyarthralgia in a German traveller with Mayaro virus infection without inflammatory correlates

  Indirect immunofluorescence assay Virus neutralization assay
  First serum sample* Second serum sample** First serum sample* Second serum sample**
Virus IgM IgG IgM IgG   
Mayaro virus (MAYV) 1:10240 1:160 1:20480 1:160 1:80 1:160
Semliki forest virus (SFV) 1:20 < 1:20 1:40 < 1:20 1:40 1:40
O’nyong-nyong (ONNV) 1:20 < 1:20 1:40 < 1:20 < 1:20 < 1:20
Chikungunya virus (CHIKV) 1:20 < 1:20 1:40 < 1:20 < 1:20 < 1:20
Ross river virus(RRV) 1:20 < 1:20 1:20 < 1:20 < 1:20 < 1:20
Barmah forest virus (BHV) 1:20 < 1:20 1:20 < 1:20 < 1:20 < 1:20
Sindbis virus (SINV) 1:20 < 1:20 1:20 < 1:20 < 1:20 < 1:20
Western equine encephalitis virus (WEEV) 1:20 < 1:20 1:20 < 1:20 < 1:20 < 1:20
Eastern equine encephalitis virus(EEEV) 1:20 < 1:20 1:20 < 1:20 < 1:20 < 1:20
Venezuelan equine encephalitis virus (VEEV) 1:20 < 1:20 1:20 < 1:20 < 1:20 < 1:20
  1. *Serum sample day 83 after onset of symptoms.
  2. **Serum sample day 106 after onset of symptoms.
  3. Antibody titers were measured by indirect immunofluorescence test and virus neutralization test. Shown are results on day 83 and 106 after onset of symptoms, respectively.