Previous infection with virulent strains of Newcastle disease virus reduces highly pathogenic avian influenza virus replication, disease, and mortality in chickens
Identifieur interne : 000476 ( Main/Exploration ); précédent : 000475; suivant : 000477Previous infection with virulent strains of Newcastle disease virus reduces highly pathogenic avian influenza virus replication, disease, and mortality in chickens
Auteurs : Mar Costa-Hurtado ; Claudio L. Afonso ; Patti J. Miller ; Eric Shepherd ; Ra Mi Cha ; Diane Smith ; Erica Spackman ; Darrell R. Kapczynski ; David L. Suarez ; David E. Swayne ; Mary J. Pantin-JackwoodSource :
- Veterinary Research [ 0928-4249 ] ; 2015-12.
Abstract
AbstractHighly pathogenic avian influenza virus (HPAIV) and Newcastle disease virus (NDV) are two of the most important viruses affecting poultry worldwide and produce co-infections especially in areas of the world where both viruses are endemic; but little is known about the interactions between these two viruses. The objective of this study was to determine if co-infection with NDV affects HPAIV replication in chickens. Only infections with virulent NDV strains (mesogenic Pigeon/1984 or velogenic CA/2002), and not a lentogenic NDV strain (LaSota), interfered with the replication of HPAIV A/chicken/Queretaro/14588-19/95 (H5N2) when the H5N2 was given at a high dose (106.9 EID50) two days after the NDV inoculation, but despite this interference, mortality was still observed. However, chickens infected with the less virulent mesogenic NDV Pigeon/1984 strain three days prior to being infected with a lower dose (105.3–5.5 EID50) of the same or a different HPAIV, A/chicken/Jalisco/CPA-12283-12/2012 (H7N3), had reduced HPAIV replication and increased survival rates. In conclusion, previous infection of chickens with virulent NDV strains can reduce HPAIV replication, and consequently disease and mortality. This interference depends on the titer of the viruses used, the virulence of the NDV, and the timing of the infections. The information obtained from these studies helps to understand the possible interactions and outcomes of infection (disease and virus shedding) when HPAIV and NDV co-infect chickens in the field.
Url:
DOI: 10.1186/s13567-015-0237-5
Affiliations:
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Miller</name></author><author><name sortKey="Shepherd, Eric" sort="Shepherd, Eric" uniqKey="Shepherd E" first="Eric" last="Shepherd">Eric Shepherd</name></author><author><name sortKey="Cha, Ra Mi" sort="Cha, Ra Mi" uniqKey="Cha R" first="Ra Mi" last="Cha">Ra Mi Cha</name></author><author><name sortKey="Smith, Diane" sort="Smith, Diane" uniqKey="Smith D" first="Diane" last="Smith">Diane Smith</name></author><author><name sortKey="Spackman, Erica" sort="Spackman, Erica" uniqKey="Spackman E" first="Erica" last="Spackman">Erica Spackman</name></author><author><name sortKey="Kapczynski, Darrell R" sort="Kapczynski, Darrell R" uniqKey="Kapczynski D" first="Darrell R." last="Kapczynski">Darrell R. Kapczynski</name></author><author><name sortKey="Suarez, David L" sort="Suarez, David L" uniqKey="Suarez D" first="David L." last="Suarez">David L. Suarez</name></author><author><name sortKey="Swayne, David E" sort="Swayne, David E" uniqKey="Swayne D" first="David E." last="Swayne">David E. 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Afonso</name></author><author><name sortKey="Miller, Patti J" sort="Miller, Patti J" uniqKey="Miller P" first="Patti J." last="Miller">Patti J. Miller</name></author><author><name sortKey="Shepherd, Eric" sort="Shepherd, Eric" uniqKey="Shepherd E" first="Eric" last="Shepherd">Eric Shepherd</name></author><author><name sortKey="Cha, Ra Mi" sort="Cha, Ra Mi" uniqKey="Cha R" first="Ra Mi" last="Cha">Ra Mi Cha</name></author><author><name sortKey="Smith, Diane" sort="Smith, Diane" uniqKey="Smith D" first="Diane" last="Smith">Diane Smith</name></author><author><name sortKey="Spackman, Erica" sort="Spackman, Erica" uniqKey="Spackman E" first="Erica" last="Spackman">Erica Spackman</name></author><author><name sortKey="Kapczynski, Darrell R" sort="Kapczynski, Darrell R" uniqKey="Kapczynski D" first="Darrell R." last="Kapczynski">Darrell R. Kapczynski</name></author><author><name sortKey="Suarez, David L" sort="Suarez, David L" uniqKey="Suarez D" first="David L." last="Suarez">David L. Suarez</name></author><author><name sortKey="Swayne, David E" sort="Swayne, David E" uniqKey="Swayne D" first="David E." last="Swayne">David E. Swayne</name></author><author><name sortKey="Pantin Jackwood, Mary J" sort="Pantin Jackwood, Mary J" uniqKey="Pantin Jackwood M" first="Mary J." last="Pantin-Jackwood">Mary J. Pantin-Jackwood</name></author></analytic><idno type="DOI">10.1186/s13567-015-0237-5</idno><series><title level="j">Veterinary Research</title><idno type="ISSN">0928-4249</idno><imprint><date type="datePub">2015-12</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"> <p>AbstractHighly pathogenic avian influenza virus (HPAIV) and Newcastle disease virus (NDV) are two of the most important viruses affecting poultry worldwide and produce co-infections especially in areas of the world where both viruses are endemic; but little is known about the interactions between these two viruses. The objective of this study was to determine if co-infection with NDV affects HPAIV replication in chickens. Only infections with virulent NDV strains (mesogenic Pigeon/1984 or velogenic CA/2002), and not a lentogenic NDV strain (LaSota), interfered with the replication of HPAIV A/chicken/Queretaro/14588-19/95 (H5N2) when the H5N2 was given at a high dose (106.9 EID50) two days after the NDV inoculation, but despite this interference, mortality was still observed. However, chickens infected with the less virulent mesogenic NDV Pigeon/1984 strain three days prior to being infected with a lower dose (105.3–5.5 EID50) of the same or a different HPAIV, A/chicken/Jalisco/CPA-12283-12/2012 (H7N3), had reduced HPAIV replication and increased survival rates. In conclusion, previous infection of chickens with virulent NDV strains can reduce HPAIV replication, and consequently disease and mortality. This interference depends on the titer of the viruses used, the virulence of the NDV, and the timing of the infections. The information obtained from these studies helps to understand the possible interactions and outcomes of infection (disease and virus shedding) when HPAIV and NDV co-infect chickens in the field.</p> </div></front></TEI><affiliations><list></list><tree><noCountry><name sortKey="Afonso, Claudio L" sort="Afonso, Claudio L" uniqKey="Afonso C" first="Claudio L." last="Afonso">Claudio L. Afonso</name><name sortKey="Cha, Ra Mi" sort="Cha, Ra Mi" uniqKey="Cha R" first="Ra Mi" last="Cha">Ra Mi Cha</name><name sortKey="Costa Hurtado, Mar" sort="Costa Hurtado, Mar" uniqKey="Costa Hurtado M" first="Mar" last="Costa-Hurtado">Mar Costa-Hurtado</name><name sortKey="Kapczynski, Darrell R" sort="Kapczynski, Darrell R" uniqKey="Kapczynski D" first="Darrell R." last="Kapczynski">Darrell R. Kapczynski</name><name sortKey="Miller, Patti J" sort="Miller, Patti J" uniqKey="Miller P" first="Patti J." last="Miller">Patti J. Miller</name><name sortKey="Pantin Jackwood, Mary J" sort="Pantin Jackwood, Mary J" uniqKey="Pantin Jackwood M" first="Mary J." last="Pantin-Jackwood">Mary J. Pantin-Jackwood</name><name sortKey="Shepherd, Eric" sort="Shepherd, Eric" uniqKey="Shepherd E" first="Eric" last="Shepherd">Eric Shepherd</name><name sortKey="Smith, Diane" sort="Smith, Diane" uniqKey="Smith D" first="Diane" last="Smith">Diane Smith</name><name sortKey="Spackman, Erica" sort="Spackman, Erica" uniqKey="Spackman E" first="Erica" last="Spackman">Erica Spackman</name><name sortKey="Suarez, David L" sort="Suarez, David L" uniqKey="Suarez D" first="David L." last="Suarez">David L. Suarez</name><name sortKey="Swayne, David E" sort="Swayne, David E" uniqKey="Swayne D" first="David E." last="Swayne">David E. Swayne</name></noCountry></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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