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Start Over Author "Peter Howard" Journal emerging infectious diseases
5 results on '"Peter Howard"'

1. Multistate Outbreak of Salmonella enterica Serovar Heidelberg with Unidentified Source, Australia, 2018–2019

Author

Elenor J. Kerr, Russell Stafford, Irani U. Rathnayake, Rikki M.A. Graham, Emily Fearnley, Joy Gregory, Keira Glasgow, Rose Wright, Vitali Sintchenko, Qinning Wang, Peter Howard, Lex E.X. Leong, Mary Valcanis, William Pitchers, Stephen B. Lambert, and Amy V. Jennison

Subjects
salmonella, Australia, epidemiology, disease outbreaks, antimicrobial resistance, bacteria, Medicine, Infectious and parasitic diseases, RC109-216
Abstract

We report a multistate Salmonella enterica serovar Heidelberg outbreak in Australia during 2018–2019. Laboratory investigation of cases reported across 5 jurisdictions over a 7-month period could not identify a source of infection but detected indicators of severity and invasiveness. The hospitalization rate of 36% suggested a moderately severe clinical picture.

Published
2022
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2. Novel Salmonella enterica Serovar Typhimurium Genotype Levels as Herald of Seasonal Salmonellosis Epidemics

Author

Cristina Sotomayor, Qinning Wang, Alicia Arnott, Peter Howard, Kirsty Hope, Ruiting Lan, and Vitali Sintchenko

Subjects
salmonella, epidemics, molecular epidemiology, genotyping, population diversity, bacteria, Medicine, Infectious and parasitic diseases, RC109-216
Abstract

We examined the population dynamics of Salmonella enterica serovar Typhimurium during seasonal salmonellosis epidemics in New South Wales, Australia, during 2009–2016. Of 15,626 isolates, 5%–20% consisted of novel genotypes. Seasons with salmonellosis epidemics were associated with a reduction in novel genotypes in the preceding winter and spring.

Published
2018
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3. Multidrug-Resistant Salmonella enterica 4,[5],12:i:- Sequence Type 34, New South Wales, Australia, 2016–2017

Author

Alicia Arnott, Qinning Wang, Nathan Bachmann, Rosemarie Sadsad, Chayanika Biswas, Cristina Sotomayor, Peter Howard, Rebecca Rockett, Agnieszka Wiklendt, Jon R. Iredell, and Vitali Sintchenko

Subjects
Salmonella, salmonellosis, antibiotic resistance, molecular epidemiology, whole-genome sequencing, genomics, Medicine, Infectious and parasitic diseases, RC109-216
Abstract

Multidrug- and colistin-resistant Salmonella enterica serotype 4,[5],12:i:- sequence type 34 is present in Europe and Asia. Using genomic surveillance, we determined that this sequence type is also endemic to Australia. Our findings highlight the public health benefits of genome sequencing–guided surveillance for monitoring the spread of multidrug-resistant mobile genes and isolates.

Published
2018
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4. Multidrug-Resistant Salmonella enterica 4,[5],12:i:- Sequence Type 34, New South Wales, Australia, 2016–2017

Author

Rosemarie Sadsad, Peter Howard, Nathan L. Bachmann, Chayanika Biswas, Qinning Wang, Jon Iredell, Agnieszka Wiklendt, Cristina Sotomayor, Alicia Arnott, Vitali Sintchenko, and Rebecca Rockett

Subjects
0301 basic medicine, Serotype, Salmonella, antibiotic resistance, Multidrug-Resistant Salmonellaenterica 4,[5],12:i:- Sequence Type 34, New South Wales, Australia, 2016–2017, Epidemiology, lcsh:Medicine, medicine.disease_cause, Genome, molecular epidemiology, Drug Resistance, Multiple, Bacterial, Child, bacteria, Aged, 80 and over, public health, Dispatch, Salmonella enterica, Middle Aged, Infectious Diseases, whole-genome sequencing, Child, Preschool, Salmonella Infections, New South Wales, Microbiology (medical), Adult, salmonellosis, Adolescent, 030106 microbiology, Biology, History, 21st Century, lcsh:Infectious and parasitic diseases, 03 medical and health sciences, Young Adult, Antibiotic resistance, medicine, genomics, Humans, lcsh:RC109-216, antimicrobial resistance, Aged, Molecular epidemiology, Whole Genome Sequencing, lcsh:R, Infant, Newborn, Australia, Infant, biology.organism_classification, Virology, Multiple drug resistance, Multilocus sequence typing, Genome, Bacterial, Multilocus Sequence Typing
Abstract

Multidrug- and colistin-resistant Salmonella enterica serotype 4,[5],12:i:- sequence type 34 is present in Europe and Asia. Using genomic surveillance, we determined that this sequence type is also endemic to Australia. Our findings highlight the public health benefits of genome sequencing-guided surveillance for monitoring the spread of multidrug-resistant mobile genes and isolates.

Published
2018

5. Novel Salmonella enterica Serovar Typhimurium Genotype Levels as Herald of Seasonal Salmonellosis Epidemics

Author

Kirsty Hope, Ruiting Lan, Qinning Wang, Alicia Arnott, Vitali Sintchenko, Peter Howard, and Cristina Sotomayor

Subjects
0301 basic medicine, Microbiology (medical), Serotype, Salmonella typhimurium, Veterinary medicine, Salmonella, Genotype, Epidemiology, salmonella, Population, lcsh:Medicine, medicine.disease_cause, molecular epidemiology, epidemics, lcsh:Infectious and parasitic diseases, 03 medical and health sciences, medicine, Humans, lcsh:RC109-216, bacteria, education, Phylogeny, population diversity, education.field_of_study, biology, Molecular epidemiology, Incidence, lcsh:R, Australia, biology.organism_classification, 030104 developmental biology, Infectious Diseases, genotyping, Salmonella enterica, Genes, Bacterial, Salmonella Infections, Multilocus sequence typing, Population diversity, Seasons, Multilocus Sequence Typing
Abstract

We examined the population dynamics of Salmonella enterica serovar Typhimurium during seasonal salmonellosis epidemics in New South Wales, Australia, during 2009–2016. Of 15,626 isolates, 5%–20% consisted of novel genotypes. Seasons with salmonellosis epidemics were associated with a reduction in novel genotypes in the preceding winter and spring.

Published
2018

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