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When do coinfections matter?

When do coinfections matter?
Author Information (click to view)

McArdle AJ, Turkova A, Cunnington AJ,


McArdle AJ, Turkova A, Cunnington AJ, (click to view)

McArdle AJ, Turkova A, Cunnington AJ,

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Current opinion in infectious diseases 2018 03 22() doi 10.1097/QCO.0000000000000447

Abstract
PURPOSE OF REVIEW
Advances in diagnostic methods mean that coinfections are increasingly being detected in clinical practice, yet their significance is not always obvious. In parallel, basic science studies are increasingly investigating interactions between pathogens to try to explain real-life observations and elucidate biological mechanisms.

RECENT FINDINGS
Coinfections may be insignificant, detrimental, or even beneficial, and these outcomes can occur through multiple levels of interactions which include modulation of the host response, altering the performance of diagnostic tests, and drug-drug interactions during treatment. The harmful effects of chronic coinfections such as tuberculosis or Hepatitis B and C in association with HIV are well established, and recent studies have focussed on strategies to mitigate these effects. However, consequences of many acute coinfections are much less certain, and recent conflicting findings simply highlight many of the challenges of studying naturally acquired infections in humans.

SUMMARY
Tackling these challenges, using animal models, or careful prospective studies in humans may prove to be worthwhile. There are already tantalizing examples where identification and treatment of relevant coinfections seems to hold promise for improved health outcomes.This is an open access article distributed under the Creative Commons Attribution License 4.0 (CCBY), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. http://creativecommons.org/licenses/by/4.0.

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