Abstract

For centuries morbillivirus infections have had a huge impact on both human beings and animals. Morbilliviruses are highly contagious pathogens that cause some of the most devastating viral diseases of humans and animals world wide. They include measles virus (MV), canine distemper virus (CDV), rinderpest virus (RPV) and peste des petits ruminants (PPRV) virus. Furthermore, new emerging infectious diseases of morbilliviruses with significant ecological consequences of marine mammals have been discovered in the past decades. Phocid distemper virus (PDV) in seals and the cetacean morbillivirus (CMV) have been found in dolphins, whales and porpoises. Peste des petits ruminants (PPR) is a highly contagious ,infectious , an acute or sub acute viral disease of domestic and wild small ruminants characterized by fever, oculonasal discharges, stomatitis, conjunctivitis, gastroenteritis and pneumonia. Goats are more severely affected than sheep. It is also known as pseudorinderpest of small ruminants, pest of small ruminants, pest of sheep and goats, kata, stomatitis- pneumoentritis syndrome, contagious pustular stomatitis and pneumoentritis complex. It is one of the major notifiable diseases of the World Organization for Animal Health (OIE).

Highlights

  • For centuries morbillivirus infections have had a huge impact on both human beings and animals

  • In the new Organization for Animal Health (OIE) classification it is included in a group of economically important animal diseases, which must be notified to the Organization in all the regions where Peste des petits ruminants (PPR) is endemic

  • The etiological agent, Peste des petits ruminants virus (PPRV) virus has been classified under family Paramyxoviridae, Order Mononegavirales and Genus Morbillivirus (Tober et al, 1998)

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Summary

Epidemiology and Geographic Distribution

PPR was first described in Côte d’Ivoire (Gargadennec L. & Lalanne A., 1942) and after, it has been recognized in many of the sub-saharian countries that lie between the Atlantic Ocean and the Red Sea (Lefevre and Diallo, 1990). Outbreaks of PPR are known to be common in India, Nepal, Bangladesh, Pakistan and Afghanistan ( Abdollahpour et al, 2006) It still causes serious economic losses (Diallo, 2003) and remains a major constraint on the development of small ruminant farms in these countries. Major outbreaks in Turkey and India in recent years have indicated a marked rise in the global incidence of PPRV (Bailey et al, 2005). It is of great economic importance on the basis of mortalities, morbidity, losses through body wastage, poor food efficiency, loss of meat, milk and milk products and offspring (Nawathe, 1984). It is known that confusion of PPR with pneumonic pasteurellosis and other pneumonic diseases of small ruminants has precluded and delayed its recognition in some countries

Causative agent
Clinical Signs
Prevention and Control
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