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MERS-CoV infection among healthcare workers and risk factors for death: Retrospective analysis of all laboratory-confirmed cases reported to WHO from 2012 to 2 June 2018.

ABSTRACT: BACKGROUND:Approximately half of the reported laboratory-confirmed infections of Middle East respiratory syndrome coronavirus (MERS-CoV) have occurred in healthcare settings, and healthcare workers constitute over one third of all secondary infections. This study aimed to describe secondary cases of MERS-CoV infection among healthcare workers and to identify risk factors for death. METHODS:A retrospective analysis was conducted on epidemiological data of laboratory-confirmed MERS-CoV cases reported to the World Health Organization from September 2012 to 2 June 2018. We compared all secondary cases among healthcare workers with secondary cases among non-healthcare workers. Multivariable logistic regression identified risk factors for death. RESULTS:Of the 2223 laboratory-confirmed MERS-CoV cases reported to WHO, 415 were healthcare workers and 1783 were non-healthcare workers. Compared with non-healthcare workers cases, healthcare workers cases were younger (P?

SUBMITTER: Elkholy AA

PROVIDER: S-EPMC7102841 | biostudies-literature | 2020 Mar

REPOSITORIES: biostudies-literature

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MERS-CoV infection among healthcare workers and risk factors for death: Retrospective analysis of all laboratory-confirmed cases reported to WHO from 2012 to 2 June 2018.

Elkholy Amgad A AA Grant Rebecca R Assiri Abdullah A Elhakim Mohamed M Malik Mamunur R MR Van Kerkhove Maria D MD

Journal of infection and public health 20190502 3

<h4>Background</h4>Approximately half of the reported laboratory-confirmed infections of Middle East respiratory syndrome coronavirus (MERS-CoV) have occurred in healthcare settings, and healthcare workers constitute over one third of all secondary infections. This study aimed to describe secondary cases of MERS-CoV infection among healthcare workers and to identify risk factors for death.<h4>Methods</h4>A retrospective analysis was conducted on epidemiological data of laboratory-confirmed MERS- ...[more]

PMID: 31056437

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Project description:Miltefosine unresponsive and relapse cases of visceral leishmaniasis (VL) are increasingly being reported. However, there has been no laboratory confirmed reports of miltefosine resistance in VL. Here, we report two laboratory confirmed cases of VL from India.Two patients with VL were referred to us with suspected VL. The first patient was a native of the VL endemic state of Bihar, but residing in Delhi, a VL non-endemic area. He was treated with broad-spectrum antibiotics and antipyretics but was unresponsive to treatment. The second patient was from Jharkhand state in eastern India (adjoining Bihar), another endemic state for VL. He was refractory to anti-leishmanial treatment, which included administration of miltefosine. Following investigation, both patients were serologically positive for VL, and blood buffy coat from both patients grew Leishmania donovani. The isolates derived from both cases were characterized for their drug susceptibility, genetically characterised, and SNPs typed for LdMT and LdROS gene expression. Both patients were successfully treated with amphotericin B.The in vitro drug susceptibility assays carried out on both isolates showed good IC50 values to amphotericin B (0.1?±?0.0004 ?g/ml and 0.07?±?0.0019 ?g/ml). One isolate was refractory to SbIII with an IC50 of > 200 ?M while the second isolate was sensitive to SbIII with an IC50 of 36.70?±?3.2 ?M. However, in both the isolates, IC50 against miltefosine was more than 10-fold higher (> 100 ?M) than the standard strain DD8 (6.8?±?0.1181 ?M). Furthermore, genetic analyses demonstrated single nucleotide polymorphisms (SNPs) (354Tyr?Phe and 1078Phe?Tyr) in the LdMT gene of the parasites.Here, we document two laboratory confirmed cases of miltefosine resistant VL from India. Our finding highlights the urgent need to establish control measures to prevent the spread of these strains. We also propose that LdMT gene mutation analysis could be used as a molecular marker of miltefosine resistance in L. donovani.

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MERS-CoV infection among healthcare workers and risk factors for death: Retrospective analysis of all laboratory-confirmed cases reported to WHO from 2012 to 2 June 2018.

Publications

MERS-CoV infection among healthcare workers and risk factors for death: Retrospective analysis of all laboratory-confirmed cases reported to WHO from 2012 to 2 June 2018.

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