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Aerosol Detection and Transmission of Porcine Reproductive and Respiratory Syndrome Virus (PRRSV): What Is the Evidence, and What Are the Knowledge Gaps?

Arruda AG, Tousignant S, Sanhueza J, Vilalta C, Poljak Z, Torremorell M, Alonso C, Corzo CA.

Viruses. 2019 Aug 3;11(8). pii: E712. doi: 10.3390/v11080712. Review.


Individual or Common Good? Voluntary Data Sharing to Inform Disease Surveillance Systems in Food Animals.

Perez AM, Linhares DCL, Arruda AG, VanderWaal K, Machado G, Vilalta C, Sanhueza JM, Torrison J, Torremorell M, Corzo CA.

Front Vet Sci. 2019 Jun 21;6:194. doi: 10.3389/fvets.2019.00194. eCollection 2019.


Effect of litter aggregation and pooling on detection of porcine reproductive and respiratory virus in piglet processing fluids.

Vilalta C, Baker J, Sanhueza J, Murray D, Sponheim A, Alvarez J, Sylvia F, Polson D, Torremorell M, Corzo C, Morrison RB.

J Vet Diagn Invest. 2019 Jul;31(4):625-628. doi: 10.1177/1040638719852999. Epub 2019 May 23.


Comparison of individual, group and environmental sampling strategies to conduct influenza surveillance in pigs.

Garrido-Mantilla J, Alvarez J, Culhane M, Nirmala J, Cano JP, Torremorell M.

BMC Vet Res. 2019 Feb 14;15(1):61. doi: 10.1186/s12917-019-1805-0.


Human-Origin Influenza A(H3N2) Reassortant Viruses in Swine, Southeast Mexico.

Nelson MI, Souza CK, Trovão NS, Diaz A, Mena I, Rovira A, Vincent AL, Torremorell M, Marthaler D, Culhane MR.

Emerg Infect Dis. 2019 Apr;25(4):691-700. doi: 10.3201/eid2504.180779. Epub 2019 Apr 17.


Identifying outbreaks of Porcine Epidemic Diarrhea virus through animal movements and spatial neighborhoods.

Machado G, Vilalta C, Recamonde-Mendoza M, Corzo C, Torremorell M, Perez A, VanderWaal K.

Sci Rep. 2019 Jan 24;9(1):457. doi: 10.1038/s41598-018-36934-8.


Effect of strain-specific maternally-derived antibodies on influenza A virus infection dynamics in nursery pigs.

Chamba Pardo FO, Wayne S, Culhane MR, Perez A, Allerson M, Torremorell M.

PLoS One. 2019 Jan 14;14(1):e0210700. doi: 10.1371/journal.pone.0210700. eCollection 2019.


Breed-to-wean farm factors associated with influenza A virus infection in piglets at weaning.

Chamba Pardo FO, Schelkopf A, Allerson M, Morrison R, Culhane M, Perez A, Torremorell M.

Prev Vet Med. 2018 Dec 1;161:33-40. doi: 10.1016/j.prevetmed.2018.10.008. Epub 2018 Oct 12.


Use of processing fluids and serum samples to characterize porcine reproductive and respiratory syndrome virus dynamics in 3 day-old pigs.

Vilalta C, Sanhueza J, Alvarez J, Murray D, Torremorell M, Corzo C, Morrison R.

Vet Microbiol. 2018 Nov;225:149-156. doi: 10.1016/j.vetmic.2018.09.006. Epub 2018 Sep 17.


Detection of influenza A virus in aerosols of vaccinated and non-vaccinated pigs in a warm environment.

Neira V, Allerson M, Corzo C, Culhane M, Rendahl A, Torremorell M.

PLoS One. 2018 May 21;13(5):e0197600. doi: 10.1371/journal.pone.0197600. eCollection 2018.


Stability of Porcine Epidemic Diarrhea Virus on Fomite Materials at Different Temperatures.

Kim Y, Krishna VD, Torremorell M, Goyal SM, Cheeran MC.

Vet Sci. 2018 Feb 13;5(1). pii: E21. doi: 10.3390/vetsci5010021.


Influenza Herd-Level Prevalence and Seasonality in Breed-to-Wean Pig Farms in the Midwestern United States.

Chamba Pardo FO, Alba-Casals A, Nerem J, Morrison RB, Puig P, Torremorell M.

Front Vet Sci. 2017 Oct 11;4:167. doi: 10.3389/fvets.2017.00167. eCollection 2017.


Multiple Genome Constellations of Similar and Distinct Influenza A Viruses Co-Circulate in Pigs During Epidemic Events.

Diaz A, Marthaler D, Corzo C, Muñoz-Zanzi C, Sreevatsan S, Culhane M, Torremorell M.

Sci Rep. 2017 Sep 19;7(1):11886. doi: 10.1038/s41598-017-11272-3.


The Use of Bioaerosol Sampling for Airborne Virus Surveillance in Swine Production Facilities: A Mini Review.

Anderson BD, Lednicky JA, Torremorell M, Gray GC.

Front Vet Sci. 2017 Jul 27;4:121. doi: 10.3389/fvets.2017.00121. eCollection 2017. Review.


Epidemiological investigations of the introduction of porcine reproductive and respiratory syndrome virus in Chile, 2013-2015.

Neira V, Brito B, Mena J, Culhane M, Apel MI, Max V, Perez P, Moreno V, Mathieu C, Johow M, Badia C, Torremorell M, Medina R, Ortega R.

PLoS One. 2017 Jul 25;12(7):e0181569. doi: 10.1371/journal.pone.0181569. eCollection 2017.


Complete Genome Sequencing of Influenza A Viruses within Swine Farrow-to-Wean Farms Reveals the Emergence, Persistence, and Subsidence of Diverse Viral Genotypes.

Diaz A, Marthaler D, Culhane M, Sreevatsan S, Alkhamis M, Torremorell M.

J Virol. 2017 Aug 24;91(18). pii: e00745-17. doi: 10.1128/JVI.00745-17. Print 2017 Sep 15.


Evaluation of biosecurity measures to prevent indirect transmission of porcine epidemic diarrhea virus.

Kim Y, Yang M, Goyal SM, Cheeran MC, Torremorell M.

BMC Vet Res. 2017 Apr 5;13(1):89. doi: 10.1186/s12917-017-1017-4.


Assessment of air sampling methods and size distribution of virus-laden aerosols in outbreaks in swine and poultry farms.

Alonso C, Raynor PC, Goyal S, Olson BA, Alba A, Davies PR, Torremorell M.

J Vet Diagn Invest. 2017 May;29(3):298-304. doi: 10.1177/1040638717700221. Epub 2017 Mar 31.


Influenza A virus in swine breeding herds: Combination of vaccination and biosecurity practices can reduce likelihood of endemic piglet reservoir.

White LA, Torremorell M, Craft ME.

Prev Vet Med. 2017 Mar 1;138:55-69. doi: 10.1016/j.prevetmed.2016.12.013. Epub 2016 Dec 24.


Effect of enrofloxacin on Haemophilus parasuis infection, disease and immune response.

Macedo N, Cheeran MC, Rovira A, Holtcamp A, Torremorell M.

Vet Microbiol. 2017 Feb;199:91-99. doi: 10.1016/j.vetmic.2016.12.032. Epub 2016 Dec 28.


Evaluation of an electrostatic particle ionization technology for decreasing airborne pathogens in pigs.

Alonso C, Raynor PC, Davies PR, Morrison RB, Torremorell M.

Aerobiologia (Bologna). 2016;32(3):405-419. Epub 2015 Dec 8.


Investigation into the Airborne Dissemination of H5N2 Highly Pathogenic Avian Influenza Virus During the 2015 Spring Outbreaks in the Midwestern United States.

Torremorell M, Alonso C, Davies PR, Raynor PC, Patnayak D, Torchetti M, McCluskey B.

Avian Dis. 2016 Sep;60(3):637-43. doi: 10.1637/11395-021816-Reg.1.


Immune response to oligopeptide permease A (OppA) protein in pigs naturally and experimentally infected with Haemophilus parasuis.

Macedo N, Oliveira S, Torremorell M, Rovira A.

Res Vet Sci. 2016 Aug;107:62-67. doi: 10.1016/j.rvsc.2016.05.006. Epub 2016 May 13.


Swine Worker Precautions During Suspected Outbreaks of Influenza in Swine.

Paccha B, Neira-Ramirez V, Gibbs S, Torremorell M, Rabinowitz PM.

J Environ Health. 2016 May;78(9):22-6; quiz 45.


Modeling risk of occupational zoonotic influenza infection in swine workers.

Paccha B, Jones RM, Gibbs S, Kane MJ, Torremorell M, Neira-Ramirez V, Rabinowitz PM.

J Occup Environ Hyg. 2016 Aug;13(8):577-87. doi: 10.1080/15459624.2016.1159688.


Characterization of Viral Load, Viability and Persistence of Influenza A Virus in Air and on Surfaces of Swine Production Facilities.

Neira V, Rabinowitz P, Rendahl A, Paccha B, Gibbs SG, Torremorell M.

PLoS One. 2016 Jan 12;11(1):e0146616. doi: 10.1371/journal.pone.0146616. eCollection 2016.


Haemophilus parasuis: infection, immunity and enrofloxacin.

Macedo N, Rovira A, Torremorell M.

Vet Res. 2015 Oct 28;46:128. doi: 10.1186/s13567-015-0263-3. Review.


Novel Human-like Influenza A Viruses Circulate in Swine in Mexico and Chile.

Nelson M, Culhane MR, Rovira A, Torremorell M, Guerrero P, Norambuena J.

PLoS Curr. 2015 Aug 13;7. pii: ecurrents.outbreaks.c8b3207c9bad98474eca3013fa933ca6. doi: 10.1371/currents.outbreaks.c8b3207c9bad98474eca3013fa933ca6.


Concentration, Size Distribution, and Infectivity of Airborne Particles Carrying Swine Viruses.

Alonso C, Raynor PC, Davies PR, Torremorell M.

PLoS One. 2015 Aug 19;10(8):e0135675. doi: 10.1371/journal.pone.0135675. eCollection 2015.


Genome plasticity of triple-reassortant H1N1 influenza A virus during infection of vaccinated pigs.

Diaz A, Enomoto S, Romagosa A, Sreevatsan S, Nelson M, Culhane M, Torremorell M.

J Gen Virol. 2015 Oct;96(10):2982-93. doi: 10.1099/jgv.0.000258. Epub 2015 Aug 5.


Live Animal Markets in Minnesota: A Potential Source for Emergence of Novel Influenza A Viruses and Interspecies Transmission.

Choi MJ, Torremorell M, Bender JB, Smith K, Boxrud D, Ertl JR, Yang M, Suwannakarn K, Her D, Nguyen J, Uyeki TM, Levine M, Lindstrom S, Katz JM, Jhung M, Vetter S, Wong KK, Sreevatsan S, Lynfield R.

Clin Infect Dis. 2015 Nov 1;61(9):1355-62. doi: 10.1093/cid/civ618. Epub 2015 Jul 29.


Association of the presence of influenza A virus and porcine reproductive and respiratory syndrome virus in sow farms with post-weaning mortality.

Alvarez J, Sarradell J, Kerkaert B, Bandyopadhyay D, Torremorell M, Morrison R, Perez A.

Prev Vet Med. 2015 Oct 1;121(3-4):240-5. doi: 10.1016/j.prevetmed.2015.07.003. Epub 2015 Jul 17.


Association between Influenza A Virus Infection and Pigs Subpopulations in Endemically Infected Breeding Herds.

Diaz A, Perez A, Sreevatsan S, Davies P, Culhane M, Torremorell M.

PLoS One. 2015 Jun 15;10(6):e0129213. doi: 10.1371/journal.pone.0129213. eCollection 2015.


The effect of anatomic site and age on detection of Staphylococcus aureus in pigs.

Linhares LL, Yang M, Sreevatsan S, Munoz-Zanzi CA, Torremorell M, Davies PR.

J Vet Diagn Invest. 2015 Jan;27(1):55-60. doi: 10.1177/1040638714559598.


Genotype distribution of Mycoplasma hyopneumoniae in swine herds from different geographical regions.

Dos Santos LF, Sreevatsan S, Torremorell M, Moreira MA, Sibila M, Pieters M.

Vet Microbiol. 2015 Feb 25;175(2-4):374-81. doi: 10.1016/j.vetmic.2014.11.018. Epub 2014 Dec 2.


Mathematical modeling of influenza A virus dynamics within swine farms and the effects of vaccination.

Reynolds JJ, Torremorell M, Craft ME.

PLoS One. 2014 Aug 27;9(8):e106177. doi: 10.1371/journal.pone.0106177. eCollection 2014. Erratum in: PLoS One. 2014;9(11):e111832.


Evidence of infectivity of airborne porcine epidemic diarrhea virus and detection of airborne viral RNA at long distances from infected herds.

Alonso C, Goede DP, Morrison RB, Davies PR, Rovira A, Marthaler DG, Torremorell M.

Vet Res. 2014 Jul 14;45:73. doi: 10.1186/s13567-014-0073-z.


Comparison of time to PRRSv-stability and production losses between two exposure programs to control PRRSv in sow herds.

Linhares DC, Cano JP, Torremorell M, Morrison RB.

Prev Vet Med. 2014 Sep 1;116(1-2):111-9. doi: 10.1016/j.prevetmed.2014.05.010. Epub 2014 Jun 2.


Effect of enrofloxacin in the carrier stage of Haemophilus parasuis in naturally colonized pigs.

Macedo N, Rovira A, Oliveira S, Holtcamp A, Torremorell M.

Can J Vet Res. 2014 Jan;78(1):17-22.


Antigenic drift of H1N1 influenza A virus in pigs with and without passive immunity.

Diaz A, Allerson M, Culhane M, Sreevatsan S, Torremorell M.

Influenza Other Respir Viruses. 2013 Dec;7 Suppl 4:52-60. doi: 10.1111/irv.12190.


Airborne detection and quantification of swine influenza a virus in air samples collected inside, outside and downwind from swine barns.

Corzo CA, Culhane M, Dee S, Morrison RB, Torremorell M.

PLoS One. 2013 Aug 8;8(8):e71444. doi: 10.1371/journal.pone.0071444. eCollection 2013.


Indirect Transmission of Influenza A Virus between Pig Populations under Two Different Biosecurity Settings.

Allerson MW, Cardona CJ, Torremorell M.

PLoS One. 2013 Jun 21;8(6):e67293. doi: 10.1371/journal.pone.0067293. Print 2013.


Infection dynamics of pandemic 2009 H1N1 influenza virus in a two-site swine herd.

Allerson MW, Davies PR, Gramer MR, Torremorell M.

Transbound Emerg Dis. 2014 Dec;61(6):490-9. doi: 10.1111/tbed.12053. Epub 2013 Jan 8.


The impact of maternally derived immunity on influenza A virus transmission in neonatal pig populations.

Allerson M, Deen J, Detmer SE, Gramer MR, Joo HS, Romagosa A, Torremorell M.

Vaccine. 2013 Jan 7;31(3):500-5. doi: 10.1016/j.vaccine.2012.11.023. Epub 2012 Nov 20.


In vitro characterization of influenza A virus attachment in the upper and lower respiratory tracts of pigs.

Detmer SE, Gramer MR, Goyal SM, Torremorell M.

Vet Pathol. 2013 Jul;50(4):648-58. doi: 10.1177/0300985812467469. Epub 2012 Nov 20.


Relationship between airborne detection of influenza A virus and the number of infected pigs.

Corzo CA, Romagosa A, Dee SA, Gramer MR, Morrison RB, Torremorell M.

Vet J. 2013 May;196(2):171-5. doi: 10.1016/j.tvjl.2012.09.024. Epub 2012 Nov 17.


Detection of airborne influenza a virus in experimentally infected pigs with maternally derived antibodies.

Corzo CA, Allerson M, Gramer M, Morrison RB, Torremorell M.

Transbound Emerg Dis. 2014 Feb;61(1):28-36. doi: 10.1111/j.1865-1682.2012.01367.x. Epub 2012 Jul 25.


Infectivity of PRRS virus in pig manure at different temperatures.

Linhares DC, Torremorell M, Joo HS, Morrison RB.

Vet Microbiol. 2012 Nov 9;160(1-2):23-8. doi: 10.1016/j.vetmic.2012.05.009. Epub 2012 May 15.


Diagnostics and surveillance for Swine influenza.

Detmer S, Gramer M, Goyal S, Torremorell M, Torrison J.

Curr Top Microbiol Immunol. 2013;370:85-112. doi: 10.1007/82_2012_220. Review.


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