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Your search keyword '"van Helden, Paul"' showing total 14 results
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14 results on '"van Helden, Paul"'

1. Mycobacterium bovis Infection in Free-Ranging African Elephants

Author

Miller, Michele A., Kerr, Tanya J., de Waal, Candice R., Goosen, Wynand J., Streicher, Elizabeth M., Hausler, Guy, Rossouw, Leana, Manamela, Tebogo, van Schalkwyk, Louis, Kleynhans, Leanie, Warren, Robin, van Helden, Paul, and Buss, Peter E.

Subjects
Mycobacterial infections -- Distribution -- Demographic aspects, African elephant -- Health aspects, Mycobacterium bovis -- Health aspects, Company distribution practices, Health
Abstract

Tuberculosis (TB), caused by the human pathogen Mycobacterium tuberculosis, is a recognized disease in human-managed and wild Asian elephants (Elephas maximus) and African elephants (Loxodonta africana) (1-3). Previous findings demonstrate [...]

Published
2021
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2. Mycobacterium bovis Infection in African Wild Dogs, Kruger National Park, South Africa

Author

Higgitt, Roxanne L., van Schalkwyk, O. Louis, de Klerk-Lorist, Lin-Mari, Buss, Peter E., Caldwell, Peter, Rossouw, Leana, Manamela, Tebogo, Hausler, Guy A., Hewlett, Jennie, Mitchell, Emily P., van Helden, Paul D., Parsons, Sven D.C., and Miller, Michele A.

Subjects
Biological response modifiers -- Health aspects, Communicable diseases -- Health aspects, Interferon -- Health aspects, Tuberculosis -- Health aspects, National parks -- Health aspects, Health
Abstract

The African wild dog (Lycaon pictus) is an endangered carnivore occurring in fragmented, small populations (in South Africa, Since 2012, sporadic cases of wild dogs with macroscopic and histological lesions [...]

Published
2019
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3. Conservation of White Rhinoceroses Threatened by Bovine Tuberculosis, South Africa, 2016-2017

Author

Miller, Michele A., Buss, Peter, Parsons, Sven D.C., Roos, Eduard, Chileshe, Josephine, Goosen, Wynand J., van Schalkwyk, Louis, Klerk-Lorist, Lin-Mari de, Hofmeyr, Markus, Hausler, Guy, Rossouw, Leana, Manamela, Tebogo, Mitchell, Emily P., Warren, Rob, and van Helden, Paul

Subjects
Bovine tuberculosis -- Risk factors, Rhinoceroses -- Health aspects, Health
Abstract

Tuberculosis (TB) caused by Mycobacterium tuberculosis or M. bovis has been reported in captive rhinoceroses since the early 1800s (1-3). Bovine TB is endemic in many wildlife populations worldwide, including [...]

Published
2018

4. Novel cause of tuberculosis in meerkats, South Africa

Author

Parsons, Sven D.C., Drewe, Julian A., van Pittius, Nicolaas C. Gey, Warren, Robin M., and van Helden, Paul D.

Subjects
Mycobacterium -- Genetic aspects -- Identification and classification, Mycobacteria -- Genetic aspects -- Identification and classification, Meerkats -- Health aspects, Tuberculosis -- Diagnosis -- Causes of, Health
Abstract

Tuberculosis (TB) is caused by a group of distinct mycobacterial strains that might have evolved as hostadapted ecotypes (1) and that are collectively named the Mycobacterium tuberculosis complex (MTC) (2). [...]

Published
2013
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5. Zoonotic Mycobacterium bovis-induced tuberculosis in humans

Author

Muller, Borna, Durr, Salome, Alonso, Silvia, Hattendorf, Jan, Laisse, Claudio J.M., Parsons, Sven D.C., van Helden, Paul D., and Zinsstag, Jakob

Subjects
Sentinel health events -- International aspects, Tuberculosis -- Analysis -- International aspects -- Statistics, Health
Abstract

Tuberculosis (TB) is among the most devastating human infectious diseases worldwide. An estimated 8.8 million new cases, a global average incidence rate of 128/100,000 population/year, and 1.5 million deaths were [...]

Published
2013
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6. Emergence and spread of extensively and totally drug-resistant tuberculosis, South Africa

Author

Klopper, Marisa, Warren, Robin Mark, Hayes, Cindy, van Pittius, Nicolaas Claudius Gey, Streicher, Elizabeth Maria, Muller, Borna, Sirgel, Frederick Adriaan, Chabula-Nxiweni, Mamisa, Hoosain, Ebrahim, Coetzee, Gerrit, van Helden, Paul David, Victor, Thomas Calldo, and Trollip, Andre Phillip

Subjects
Drug resistance in microorganisms -- Research, Tuberculosis -- Risk factors -- Research -- Drug therapy, Disease transmission -- Research, Health
Abstract

The emergence of drug-resistant tuberculosis (TB) is of major concern to TB control in South Africa. A countrywide survey in 2002 revealed that 1.8% of all new TB patients and [...]

Published
2013
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7. Novel Mycobacterium tuberculosis complex pathogen, M. mungi

Author

Alexander, Kathleen A., Laver, Pete N., Michel, Anita L., Williams, Mark, van Helden, Paul D., Warren, Robin M., and van Pittius, Nicolaas C. Gey

Subjects
Mongooses -- Diseases -- Research -- Health aspects, Mycobacterial infections -- Causes of -- Diagnosis -- Research, Mycobacterium tuberculosis -- Health aspects -- Research, Health
Abstract

A previously unidentified Mycobacterium tuberculosis complex pathogen has emerged in banded mongooses (Mungos mungo) in Botswana; we named the pathogen mongoose bacillus, or M. mungi sp. nov. This pathogen causes [...]

Published
2010
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8. Emergence of increased resistance and extensively drug-resistant tuberculosis despite treatment adherence, South Africa

Author

Calver, Alistair D., Falmer, Alecia A., Murray, Megan, Strauss, Odelia J., Streicher, Elizabeth M., Hanekom, Madelene, Liversage, Thelma, Masibi, Mothusi, van Helden, Paul D., Warren, Robin M., and Victor, Thomas C.

Subjects
HIV (Viruses) -- Development and progression -- Drug therapy -- Analysis, Patient compliance -- Analysis, Drug resistance in microorganisms -- Development and progression -- Drug therapy -- Analysis, Tuberculosis -- Development and progression -- Drug therapy -- Analysis, Disease transmission -- Development and progression -- Analysis, Health
Abstract

The emergence of drug-resistant tuberculosis (TB) is often attributed to the failure to implement proper TB control programs and correctly manage TB cases (1,2). Consequently, >450,000 multidrug-resistant (MDR) TB cases [...]

Published
2010
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9. Mycobacterium bovis in a free-ranging black rhinoceros, Kruger National Park, South Africa, 2016

Author

Miller, Michele A., Buss, Peter E., van Helden, Paul D., and Parsons, Sven D.C.

Subjects
Black rhinoceros -- Health aspects, Mycobacterium bovis -- Identification and classification, Immune response -- Testing, Health
Abstract

Black rhinoceros (Diceros bicornis) are under severe threat from poaching and habitat loss. This species has been designated as critically endangered by the International Union for Conservation of Nature Red [...]

Published
2017

10. Characterization of Mycobacterium orygis

Author

van Pittius, Nicolaas C. Gey, van Helden, Paul D., and Warren, Robin M.

Subjects
Mycobacterium -- Physiological aspects -- Genetic aspects -- Research, Mycobacterial infections -- Causes of -- Complications and side effects -- Genetic aspects -- Research, Mycobacteria -- Physiological aspects -- Genetic aspects -- Research, Health
Abstract

To the Editor: In a recently published study, van Ingen et al. (1) described the molecular characterization and phylogenetic position of the oryx bacillus, a member of the Mycobacterium tuberculosis [...]

Published
2012
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14. Characterization of Mycobacterium orygis.

Author

Gey van Pittius, Nicolaas C., van Helden, Paul D., and Warren, Robin M.

Subjects
*LETTERS to the editor, *BACILLUS (Bacteria), *BACTERIA morphology
Abstract

A letter to the editor is presented in response to an article about the molecular characteristics and phylogenetic position of the oryx bacillus by J. van Ingen and colleagues in a 2012 issue.

Published
2012
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