Table 1 Summary of investigations conducted in Real-Time RT-PCR IDV positive farms.

From: Influenza D in Italy: towards a better understanding of an emerging viral infection in swine

Herd

Farm/pigs type

IDV isolation

Clinical signs

Sample

IDV/PCR

APP

PCV2

PRRS

IAV

A

Fattening/weaned

No

none

oral fluids

+

nd

−

+

−

B

Farrow to finish/sow

D/swine/Italy/199724-3/2015

fever and abortion in sows

nasal swabs

+

nd

−

+

−

C

Farrow to finish/weaned

No D/swine/Italy/254578/2015*

respiratory disease

nasal swabs

+

nd

+

+

+

D

Fattening/growing pigs

D/swine/Italy/173287/2016

respiratory disease

nasal swabs and lungs

+

+

+

−

−

E

Fattening/weaned

No

respiratory disease

nasal swabs

+

nd

−

+

−

F

Fattening/weaned

No

mortality

lungs

+

−

−

−

−

G

Farrow to finish/weaned

No

acute respiratory disease

lungs

+

+

−

−

−

H

Farrow to finish/weaned

No

none

oral fluids

+

nd

−

+

−

I

Breeding gilts/gilts

D/swine/Italy/354017/2015

none

oral fluids

+

−

−

−

−

  1. *Sequence obtained from clinical sample.