Influenza-like illness is associated with high pneumococcal carriage density in Malawian children
Copyright © 2020. Published by Elsevier Ltd..
BACKGROUND: High pneumococcal carriage density is a risk factor for invasive pneumococcal disease (IPD) and transmission, but factors that increase pneumococcal carriage density are still unclear.
METHODS: We undertook a cross-sectional study to evaluate the microbial composition, cytokine levels and pneumococcal carriage densities in samples from children presenting with an influenza-like illness (ILI) and asymptomatic healthy controls (HC).
RESULTS: The proportion of children harbouring viral organisms (Relative risk (RR) 1.4, p = 0.0222) or ≥ 4 microbes at a time (RR 1.9, p < 0.0001), was higher in ILI patients than HC. ILI patients had higher IL-8 levels in nasal aspirates than HC (median [IQR], 265.7 [0 - 452.3] vs. 0 [0 - 127.3] pg/ml; p = 0.0154). Having an ILI was associated with higher pneumococcal carriage densities compared to HC (RR 4.2, p < 0.0001).
CONCLUSION: These findings suggest that children with an ILI have an increased propensity for high pneumococcal carriage density. This could in part contribute to increased susceptibility to IPD and transmission in the community.
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| Medienart: |
E-Artikel |
| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:81 |
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| Enthalten in: |
The Journal of infection - 81(2020), 4 vom: 01. Okt., Seite 549-556 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Nyazika, Tinashe K [VerfasserIn] |
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| Links: |
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| Themen: |
Carriage density |
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| Anmerkungen: |
Date Completed 18.03.2021 Date Revised 21.04.2021 published: Print-Electronic CommentIn: J Infect. 2021 Mar;82(3):e4-e7. - PMID 33359050 Citation Status MEDLINE |
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| doi: |
10.1016/j.jinf.2020.06.079 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM312869827 |
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| 100 | 1 | |a Nyazika, Tinashe K |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Influenza-like illness is associated with high pneumococcal carriage density in Malawian children |
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| 500 | |a Date Revised 21.04.2021 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a CommentIn: J Infect. 2021 Mar;82(3):e4-e7. - PMID 33359050 | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2020. Published by Elsevier Ltd. | ||
| 520 | |a BACKGROUND: High pneumococcal carriage density is a risk factor for invasive pneumococcal disease (IPD) and transmission, but factors that increase pneumococcal carriage density are still unclear | ||
| 520 | |a METHODS: We undertook a cross-sectional study to evaluate the microbial composition, cytokine levels and pneumococcal carriage densities in samples from children presenting with an influenza-like illness (ILI) and asymptomatic healthy controls (HC) | ||
| 520 | |a RESULTS: The proportion of children harbouring viral organisms (Relative risk (RR) 1.4, p = 0.0222) or ≥ 4 microbes at a time (RR 1.9, p < 0.0001), was higher in ILI patients than HC. ILI patients had higher IL-8 levels in nasal aspirates than HC (median [IQR], 265.7 [0 - 452.3] vs. 0 [0 - 127.3] pg/ml; p = 0.0154). Having an ILI was associated with higher pneumococcal carriage densities compared to HC (RR 4.2, p < 0.0001) | ||
| 520 | |a CONCLUSION: These findings suggest that children with an ILI have an increased propensity for high pneumococcal carriage density. This could in part contribute to increased susceptibility to IPD and transmission in the community | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a Research Support, U.S. Gov't, P.H.S. | |
| 650 | 4 | |a Carriage density | |
| 650 | 4 | |a Children | |
| 650 | 4 | |a IL-8 | |
| 650 | 4 | |a Influenza-like illness | |
| 650 | 4 | |a Pneumococcal | |
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| 700 | 1 | |a Law, Alice |e verfasserin |4 aut | |
| 700 | 1 | |a Swarthout, Todd D |e verfasserin |4 aut | |
| 700 | 1 | |a Sibale, Lusako |e verfasserin |4 aut | |
| 700 | 1 | |a Ter Braake, Danielle |e verfasserin |4 aut | |
| 700 | 1 | |a French, Neil |e verfasserin |4 aut | |
| 700 | 1 | |a Heyderman, Robert S |e verfasserin |4 aut | |
| 700 | 1 | |a Everett, Dean |e verfasserin |4 aut | |
| 700 | 1 | |a Kadioglu, Aras |e verfasserin |4 aut | |
| 700 | 1 | |a Jambo, Kondwani C |e verfasserin |4 aut | |
| 700 | 1 | |a Neill, Daniel R |e verfasserin |4 aut | |
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