Table 1 Economically important viral diseases of pigs

Porcine reproductive and respiratory syndrome (PRRS)

PRRS virus (PRRSV)

Single strand (+) RNA

Worldwide

Fever, anorexia, mild to severe respiratory problems, abortion, reproductive failures

[3]

Swine influenza

Influenza A virus (IAV)

Single strand (−) RNA

Worldwide

Fever, anorexia, loss of weight gain, respiratory problems

[5, 28]

Porcine epidemic diarrhea (PED)

PED virus (PEDV)

Single strand (+) RNA

Worldwide

Severe diarrhea, vomiting and dehydration

[115]

Foot and mouth disease (FMD)

FMD virus (FMDV)

Single strand (+) RNA

Parts of Asia, Africa, Middle East and South America

Fever, inappetence, vesicular lesions on extremities

[11]

Classical swine fever (CSF)/hog cholera

CSF virus (CSFV)

Single strand (+) RNA

Endemic in Central America, Africa, Asia and parts of South America

Fever, anorexia, erythema, respiratory signs, neurological signs, reproductive failures, death

[13]

Porcine circovirus associated disease (PCVAD)

Porcine circovirus 2 (PCV2)

Single strand DNA

Worldwide

Poor weight gain, respiratory problems, dermatitis, enteritis, nephropathy, reproductive failures

[16]

Porcine parvovirus infection

Ungulate parvovirus 1

Single strand DNA

Worldwide

Stillbirth, mummification, embryonic death, infertility

[17]

Pseudorabies/Aujeszky’s disease

Suid herpesvirus 1

Double strand DNA

China and parts of Europe, Asia and Latin America

Nervous disorders, respiratory problems, weight loss

[18, 19]

African swine fever (ASF)

ASF virus (ASFV)

Double strand DNA

Endemic in sub-Saharan Africa, Sardinia, Caucasus region and Eastern Europe

Fever, anorexia, erythema, respiratory signs, reproductive failures, death

[13]