The associations between invasive group A streptococcal disease and infection with influenza, varicella, or hepatitis C viruses : A data linkage study, Victoria, Australia
Copyright © 2024 The Authors. Published by Elsevier Ltd.. All rights reserved..
OBJECTIVES: To quantify the associations between invasive group A streptococcal disease (iGAS) incidence and influenza, varicella, and chronic hepatitis C virus (HCV).
METHODS: We used individual-level linked data of iGAS cases from Victoria, Australia (2007-2017) to assess associations between these viral infections and iGAS. A self-controlled case series method was used to estimate the relative incidence of iGAS following an influenza or varicella infection, while the relative incidence of iGAS among HCV cases, and HCV cases who inject drugs, was estimated using population-level data and a negative binomial regression model.
RESULTS: Of the 1949 individuals with at least one iGAS diagnosis, 82 were diagnosed with influenza at least once, 30 with varicella, and 118 with HCV during the study period. The relative incidence of iGAS increased substantially following infection with influenza (incidence rate ratio [IRR]: 34.5, 95% confidence interval [CI]: 21.3-55.8) or varicella (IRR: 22.4, 95% CI: 10.3-48.8). iGAS incidence was higher among HCV cases (IRR: 5.7, 95% CI: 4.4-7.3) compared to individuals without HCV. iGAS incidence was also higher among HCV cases who inject drugs (IRR: 17.9, 95% CI: 13.0-24.4) compared to individuals without HCV who did not inject drugs.
CONCLUSIONS: We found a significantly higher risk of iGAS following an influenza or varicella infection and for chronic HCV cases, particularly those who inject drugs. These findings are relevant to public health practice and support the timely identification of iGAS cases.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:141 |
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| Enthalten in: |
International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases - 141(2024) vom: 23. März, Seite 106969 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Goldsmith, Jessie J [VerfasserIn] |
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| Links: |
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| Themen: |
Hepatitis C |
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| Anmerkungen: |
Date Completed 15.03.2024 Date Revised 15.03.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.ijid.2024.02.012 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM368776980 |
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| 100 | 1 | |a Goldsmith, Jessie J |e verfasserin |4 aut | |
| 245 | 1 | 4 | |a The associations between invasive group A streptococcal disease and infection with influenza, varicella, or hepatitis C viruses |b A data linkage study, Victoria, Australia |
| 264 | 1 | |c 2024 | |
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| 500 | |a Date Completed 15.03.2024 | ||
| 500 | |a Date Revised 15.03.2024 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2024 The Authors. Published by Elsevier Ltd.. All rights reserved. | ||
| 520 | |a OBJECTIVES: To quantify the associations between invasive group A streptococcal disease (iGAS) incidence and influenza, varicella, and chronic hepatitis C virus (HCV) | ||
| 520 | |a METHODS: We used individual-level linked data of iGAS cases from Victoria, Australia (2007-2017) to assess associations between these viral infections and iGAS. A self-controlled case series method was used to estimate the relative incidence of iGAS following an influenza or varicella infection, while the relative incidence of iGAS among HCV cases, and HCV cases who inject drugs, was estimated using population-level data and a negative binomial regression model | ||
| 520 | |a RESULTS: Of the 1949 individuals with at least one iGAS diagnosis, 82 were diagnosed with influenza at least once, 30 with varicella, and 118 with HCV during the study period. The relative incidence of iGAS increased substantially following infection with influenza (incidence rate ratio [IRR]: 34.5, 95% confidence interval [CI]: 21.3-55.8) or varicella (IRR: 22.4, 95% CI: 10.3-48.8). iGAS incidence was higher among HCV cases (IRR: 5.7, 95% CI: 4.4-7.3) compared to individuals without HCV. iGAS incidence was also higher among HCV cases who inject drugs (IRR: 17.9, 95% CI: 13.0-24.4) compared to individuals without HCV who did not inject drugs | ||
| 520 | |a CONCLUSIONS: We found a significantly higher risk of iGAS following an influenza or varicella infection and for chronic HCV cases, particularly those who inject drugs. These findings are relevant to public health practice and support the timely identification of iGAS cases | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Hepatitis C | |
| 650 | 4 | |a Influenza | |
| 650 | 4 | |a Invasive group A streptococcal disease | |
| 650 | 4 | |a People who inject drugs | |
| 650 | 4 | |a Self-controlled case series | |
| 650 | 4 | |a Varicella-zoster virus | |
| 700 | 1 | |a Vu, Christy |e verfasserin |4 aut | |
| 700 | 1 | |a Zhu, Ziheng |e verfasserin |4 aut | |
| 700 | 1 | |a MacLachlan, Jennifer H |e verfasserin |4 aut | |
| 700 | 1 | |a Thomson, Tilda N |e verfasserin |4 aut | |
| 700 | 1 | |a Campbell, Patricia Therese |e verfasserin |4 aut | |
| 700 | 1 | |a Gibney, Katherine B |e verfasserin |4 aut | |
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