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The Contribution of Social Behaviour to the Transmission of Influenza A in a Human Population

Research output: Contribution to Journal/MagazineJournal articlepeer-review

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The Contribution of Social Behaviour to the Transmission of Influenza A in a Human Population. / Kucharski, Adam J.; Kwok, Kin O.; Wei, Vivian W. I. et al.

In: PLoS Pathogens, Vol. 10, No. 6, 1004206, 26.06.2014.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Kucharski, AJ, Kwok, KO, Wei, VWI, Cowling, BJ, Read, JM, Lessler, J, Cummings, DA & Riley, S 2014, 'The Contribution of Social Behaviour to the Transmission of Influenza A in a Human Population', PLoS Pathogens, vol. 10, no. 6, 1004206. https://doi.org/10.1371/journal.ppat.1004206

APA

Kucharski, A. J., Kwok, K. O., Wei, V. W. I., Cowling, B. J., Read, J. M., Lessler, J., Cummings, D. A., & Riley, S. (2014). The Contribution of Social Behaviour to the Transmission of Influenza A in a Human Population. PLoS Pathogens, 10(6), [1004206]. https://doi.org/10.1371/journal.ppat.1004206

Vancouver

Kucharski AJ, Kwok KO, Wei VWI, Cowling BJ, Read JM, Lessler J et al. The Contribution of Social Behaviour to the Transmission of Influenza A in a Human Population. PLoS Pathogens. 2014 Jun 26;10(6):1004206. doi: 10.1371/journal.ppat.1004206

Author

Kucharski, Adam J. ; Kwok, Kin O. ; Wei, Vivian W. I. et al. / The Contribution of Social Behaviour to the Transmission of Influenza A in a Human Population. In: PLoS Pathogens. 2014 ; Vol. 10, No. 6.

Bibtex

@article{b86b98d028934ecd9817017879f3ec8d,
title = "The Contribution of Social Behaviour to the Transmission of Influenza A in a Human Population",
abstract = "Variability in the risk of transmission for respiratory pathogens can result from several factors, including the intrinsic properties of the pathogen, the immune state of the host and the host's behaviour. It has been proposed that self-reported social mixing patterns can explain the behavioural component of this variability, with simulated intervention studies based on these data used routinely to inform public health policy. However, in the absence of robust studies with biological endpoints for individuals, it is unclear how age and social behaviour contribute to infection risk. To examine how the structure and nature of social contacts influenced infection risk over the course of a single epidemic, we designed a flexible disease modelling framework: the population was divided into a series of increasingly detailed age and social contact classes, with the transmissibility of each age-contact class determined by the average contacts of that class. Fitting the models to serologically confirmed infection data from the 2009 Hong Kong influenza A/H1N1p pandemic, we found that an individual's risk of infection was influenced strongly by the average reported social mixing behaviour of their age group, rather than by their personal reported contacts. We also identified the resolution of social mixing that shaped transmission: epidemic dynamics were driven by intense contacts between children, a post-childhood drop in risky contacts and a subsequent rise in contacts for individuals aged 35-50. Our results demonstrate that self-reported social contact surveys can account for age-associated heterogeneity in the transmission of a respiratory pathogen in humans, and show robustly how these individual-level behaviours manifest themselves through assortative age groups. Our results suggest it is possible to profile the social structure of different populations and to use these aggregated data to predict their inherent transmission potential.",
keywords = "DISEASE TRANSMISSION, INFECTIOUS-DISEASE, CONTACT NETWORK, MIXING PATTERNS, SPREAD, EPIDEMIOLOGY, ENGLAND, IMPACT, VACCINATION, DYNAMICS",
author = "Kucharski, {Adam J.} and Kwok, {Kin O.} and Wei, {Vivian W. I.} and Cowling, {Benjamin J.} and Read, {Jonathan M.} and Justin Lessler and Cummings, {Derek A.} and Steven Riley",
year = "2014",
month = jun,
day = "26",
doi = "10.1371/journal.ppat.1004206",
language = "English",
volume = "10",
journal = "PLoS Pathogens",
issn = "1553-7366",
publisher = "Public Library of Science",
number = "6",

}

RIS

TY - JOUR

T1 - The Contribution of Social Behaviour to the Transmission of Influenza A in a Human Population

AU - Kucharski, Adam J.

AU - Kwok, Kin O.

AU - Wei, Vivian W. I.

AU - Cowling, Benjamin J.

AU - Read, Jonathan M.

AU - Lessler, Justin

AU - Cummings, Derek A.

AU - Riley, Steven

PY - 2014/6/26

Y1 - 2014/6/26

N2 - Variability in the risk of transmission for respiratory pathogens can result from several factors, including the intrinsic properties of the pathogen, the immune state of the host and the host's behaviour. It has been proposed that self-reported social mixing patterns can explain the behavioural component of this variability, with simulated intervention studies based on these data used routinely to inform public health policy. However, in the absence of robust studies with biological endpoints for individuals, it is unclear how age and social behaviour contribute to infection risk. To examine how the structure and nature of social contacts influenced infection risk over the course of a single epidemic, we designed a flexible disease modelling framework: the population was divided into a series of increasingly detailed age and social contact classes, with the transmissibility of each age-contact class determined by the average contacts of that class. Fitting the models to serologically confirmed infection data from the 2009 Hong Kong influenza A/H1N1p pandemic, we found that an individual's risk of infection was influenced strongly by the average reported social mixing behaviour of their age group, rather than by their personal reported contacts. We also identified the resolution of social mixing that shaped transmission: epidemic dynamics were driven by intense contacts between children, a post-childhood drop in risky contacts and a subsequent rise in contacts for individuals aged 35-50. Our results demonstrate that self-reported social contact surveys can account for age-associated heterogeneity in the transmission of a respiratory pathogen in humans, and show robustly how these individual-level behaviours manifest themselves through assortative age groups. Our results suggest it is possible to profile the social structure of different populations and to use these aggregated data to predict their inherent transmission potential.

AB - Variability in the risk of transmission for respiratory pathogens can result from several factors, including the intrinsic properties of the pathogen, the immune state of the host and the host's behaviour. It has been proposed that self-reported social mixing patterns can explain the behavioural component of this variability, with simulated intervention studies based on these data used routinely to inform public health policy. However, in the absence of robust studies with biological endpoints for individuals, it is unclear how age and social behaviour contribute to infection risk. To examine how the structure and nature of social contacts influenced infection risk over the course of a single epidemic, we designed a flexible disease modelling framework: the population was divided into a series of increasingly detailed age and social contact classes, with the transmissibility of each age-contact class determined by the average contacts of that class. Fitting the models to serologically confirmed infection data from the 2009 Hong Kong influenza A/H1N1p pandemic, we found that an individual's risk of infection was influenced strongly by the average reported social mixing behaviour of their age group, rather than by their personal reported contacts. We also identified the resolution of social mixing that shaped transmission: epidemic dynamics were driven by intense contacts between children, a post-childhood drop in risky contacts and a subsequent rise in contacts for individuals aged 35-50. Our results demonstrate that self-reported social contact surveys can account for age-associated heterogeneity in the transmission of a respiratory pathogen in humans, and show robustly how these individual-level behaviours manifest themselves through assortative age groups. Our results suggest it is possible to profile the social structure of different populations and to use these aggregated data to predict their inherent transmission potential.

KW - DISEASE TRANSMISSION

KW - INFECTIOUS-DISEASE

KW - CONTACT NETWORK

KW - MIXING PATTERNS

KW - SPREAD

KW - EPIDEMIOLOGY

KW - ENGLAND

KW - IMPACT

KW - VACCINATION

KW - DYNAMICS

U2 - 10.1371/journal.ppat.1004206

DO - 10.1371/journal.ppat.1004206

M3 - Journal article

VL - 10

JO - PLoS Pathogens

JF - PLoS Pathogens

SN - 1553-7366

IS - 6

M1 - 1004206

ER -