Publications by authors named "H S Steyn"

Heartwater is one of the most economically important tick-borne fatal diseases of livestock. The disease is caused by the bacteria Ehrlichia ruminantium transmitted by Amblyomma ticks. Although there is evidence that interferon-gamma controls E.

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Background: Lack of harmonization in pharmacovigilance (PV) practice in resource-limited states in Africa has led to differentiation and marginalization, thus creating an environment where weak or absent PV systems may benefit from regional guidelines.

Purpose: To compare the PV guidelines of Southern African Development Community (SADC) member states to international guidelines and identify areas for improvement for aligning PV practice within the SADC region.

Methods: We utilized a 73-item checklist to assess the PV guidelines of the SADC member states.

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In 2019, 4.95 million deaths were directly attributed to antimicrobial-resistant bacterial infections globally. In addition, the mortality associated with fungal infections is estimated at 1.

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Heartwater, one of the major tick-borne diseases of some domestic and wild ruminants in Africa, is caused by Ehrlichia ruminantium. The genetic diversity of E. ruminantium isolates renders the available vaccine ineffective against certain virulent isolates.

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The intake of omega-3 polyunsaturated fatty acids, including eicosapentaenoic acid (EPA), is associated with health benefits due to its anti-inflammatory properties. This fatty acid also exhibits antifungal properties in vitro. In order to determine if this antifungal property is valid in vivo, we examined how EPA affects Candida albicans pathogenesis in the Caenorhabditis elegans infection model, an alternative to mammalian host models.

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