Social contacts and mixing patterns relevant to the spread of infectious diseases.
<h4>Background</h4>Mathematical modelling of infectious diseases transmitted by the respiratory or close-contact route (e.g., pandemic influenza) is increasingly being used to determine the impact of possible interventions. Although mixing patterns are known to be crucial determinants fo...
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2008
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oai:doaj.org-article:4cbf52b54d07490fab92993f6ffa0f0a2021-11-25T05:37:01ZSocial contacts and mixing patterns relevant to the spread of infectious diseases.1549-12771549-167610.1371/journal.pmed.0050074https://doaj.org/article/4cbf52b54d07490fab92993f6ffa0f0a2008-03-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/18366252/?tool=EBIhttps://doaj.org/toc/1549-1277https://doaj.org/toc/1549-1676<h4>Background</h4>Mathematical modelling of infectious diseases transmitted by the respiratory or close-contact route (e.g., pandemic influenza) is increasingly being used to determine the impact of possible interventions. Although mixing patterns are known to be crucial determinants for model outcome, researchers often rely on a priori contact assumptions with little or no empirical basis. We conducted a population-based prospective survey of mixing patterns in eight European countries using a common paper-diary methodology.<h4>Methods and findings</h4>7,290 participants recorded characteristics of 97,904 contacts with different individuals during one day, including age, sex, location, duration, frequency, and occurrence of physical contact. We found that mixing patterns and contact characteristics were remarkably similar across different European countries. Contact patterns were highly assortative with age: schoolchildren and young adults in particular tended to mix with people of the same age. Contacts lasting at least one hour or occurring on a daily basis mostly involved physical contact, while short duration and infrequent contacts tended to be nonphysical. Contacts at home, school, or leisure were more likely to be physical than contacts at the workplace or while travelling. Preliminary modelling indicates that 5- to 19-year-olds are expected to suffer the highest incidence during the initial epidemic phase of an emerging infection transmitted through social contacts measured here when the population is completely susceptible.<h4>Conclusions</h4>To our knowledge, our study provides the first large-scale quantitative approach to contact patterns relevant for infections transmitted by the respiratory or close-contact route, and the results should lead to improved parameterisation of mathematical models used to design control strategies.Joël MossongNiel HensMark JitPhilippe BeutelsKari AuranenRafael MikolajczykMarco MassariStefania SalmasoGianpaolo Scalia TombaJacco WallingaJanneke HeijneMalgorzata Sadkowska-TodysMagdalena RosinskaW John EdmundsPublic Library of Science (PLoS)articleMedicineRENPLoS Medicine, Vol 5, Iss 3, p e74 (2008) |
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Medicine R |
| spellingShingle |
Medicine R Joël Mossong Niel Hens Mark Jit Philippe Beutels Kari Auranen Rafael Mikolajczyk Marco Massari Stefania Salmaso Gianpaolo Scalia Tomba Jacco Wallinga Janneke Heijne Malgorzata Sadkowska-Todys Magdalena Rosinska W John Edmunds Social contacts and mixing patterns relevant to the spread of infectious diseases. |
| description |
<h4>Background</h4>Mathematical modelling of infectious diseases transmitted by the respiratory or close-contact route (e.g., pandemic influenza) is increasingly being used to determine the impact of possible interventions. Although mixing patterns are known to be crucial determinants for model outcome, researchers often rely on a priori contact assumptions with little or no empirical basis. We conducted a population-based prospective survey of mixing patterns in eight European countries using a common paper-diary methodology.<h4>Methods and findings</h4>7,290 participants recorded characteristics of 97,904 contacts with different individuals during one day, including age, sex, location, duration, frequency, and occurrence of physical contact. We found that mixing patterns and contact characteristics were remarkably similar across different European countries. Contact patterns were highly assortative with age: schoolchildren and young adults in particular tended to mix with people of the same age. Contacts lasting at least one hour or occurring on a daily basis mostly involved physical contact, while short duration and infrequent contacts tended to be nonphysical. Contacts at home, school, or leisure were more likely to be physical than contacts at the workplace or while travelling. Preliminary modelling indicates that 5- to 19-year-olds are expected to suffer the highest incidence during the initial epidemic phase of an emerging infection transmitted through social contacts measured here when the population is completely susceptible.<h4>Conclusions</h4>To our knowledge, our study provides the first large-scale quantitative approach to contact patterns relevant for infections transmitted by the respiratory or close-contact route, and the results should lead to improved parameterisation of mathematical models used to design control strategies. |
| format |
article |
| author |
Joël Mossong Niel Hens Mark Jit Philippe Beutels Kari Auranen Rafael Mikolajczyk Marco Massari Stefania Salmaso Gianpaolo Scalia Tomba Jacco Wallinga Janneke Heijne Malgorzata Sadkowska-Todys Magdalena Rosinska W John Edmunds |
| author_facet |
Joël Mossong Niel Hens Mark Jit Philippe Beutels Kari Auranen Rafael Mikolajczyk Marco Massari Stefania Salmaso Gianpaolo Scalia Tomba Jacco Wallinga Janneke Heijne Malgorzata Sadkowska-Todys Magdalena Rosinska W John Edmunds |
| author_sort |
Joël Mossong |
| title |
Social contacts and mixing patterns relevant to the spread of infectious diseases. |
| title_short |
Social contacts and mixing patterns relevant to the spread of infectious diseases. |
| title_full |
Social contacts and mixing patterns relevant to the spread of infectious diseases. |
| title_fullStr |
Social contacts and mixing patterns relevant to the spread of infectious diseases. |
| title_full_unstemmed |
Social contacts and mixing patterns relevant to the spread of infectious diseases. |
| title_sort |
social contacts and mixing patterns relevant to the spread of infectious diseases. |
| publisher |
Public Library of Science (PLoS) |
| publishDate |
2008 |
| url |
https://doaj.org/article/4cbf52b54d07490fab92993f6ffa0f0a |
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