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Table 1 Diagnostic and clinical findings during WNV/USUV 2018 integrated surveillance in central Italy

From: West Nile and Usutu viruses co-circulation in central Italy: outcomes of the 2018 integrated surveillance

Municipality

Farm ID

Species

Case

WNV

USUV

Clinical

IgM

IgG

VNT

RT-PCR blood

RT-PCR tissue

PCR

VNT

Cisterna di LT

FARM 1

Horse 1

WND + 

+ 

 + 

 + 

 + (1:80)

–

 

–

–

Cisterna di LT

FARM 1

Horse 2

No

–

–

 + 

–

–

 

–

–

Cisterna di LT

FARM 1

Horse 3

No

–

–

 + 

–

–

 

–

–

Cisterna di LT

FARM 1

Culex

USUV + 

     

–

 + 

 

Cisterna di LT

FARM 1

Culex

USUV + 

     

–

 + 

 

Cisterna di LT

FARM 1

Culex

USUV + 

     

–

 + 

 

Cisterna di LT

FARM 2

Horse 4

WND + 

–

 + 

 + 

–

–

 

–

–

Cisterna di LT

FARM 3

Horse 5

WND + 

–

 + 

 + 

–

–

 

–

–

Cisterna di LT

FARM 4

Horse 6

WND + 

–

 + 

 + 

 + (1:80)

–

 

–

–

Cisterna di LT

FARM 5

Horse 7

WND + 

 + 

 + 

 + 

 + (1:5)

–

 

–

–

Cisterna di LT

FARM 5

Horse 8

No

–

–

 + 

–

–

 

–

 + (1:10)

Cisterna di LT

FARM 10

Culex

USUV + 

     

–

 + 

 

Aprilia

FARM 6

Horse 9

WND + 

 + 

 + 

 + 

 + (1:5)

–

 + a

–

–

Aprilia

FARM 6

Culex

USUV + 

     

–

 + 

 

Nettuno

FARM 7

Horse 10

WND + 

–

 + 

 + 

 + (1:20)

NP

 

NP

–

Velletri

FARM 8

Horse 11

WND + 

–

 ± 

 + 

 + (1:40)

–

 

–

–

Velletri

FARM 9

Horse 12

No

–

 ± 

 + 

 + (1:5)

–

 

–

–

    

WNV

USUV

Clinical

IgM

IFA IgG

 

RT-PCR blood

RT-PCR tissue

PCR

IFA

IgM

Cisterna di LT

 

Human 1

USUV + 

–

–

–

 

 + 

 

 + 

–

Cisterna di LT

 

Human 2

USUV + 

–

–

–

 

 + 

 

 + 

sc

  1. IgG immunoglobulin G, IgM immunoglobulin M, NP not performed, RT-PCR reverse transcriptase-polymerase chain reaction, VNT virus neutralization test, sc seroconversion (< 1:20 to 1:40 after 3 weeks)
  2. aLineage 2