CoMix: comparing mixing patterns in the Belgian population during and after lockdown

Abstract The COVID-19 pandemic has shown how a newly emergent communicable disease can lay considerable burden on public health. To avoid system collapse, governments have resorted to several social distancing measures. In Belgium, this included a lockdown and a following period of phased re-opening...

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Autores principales:	Pietro Coletti, James Wambua, Amy Gimma, Lander Willem, Sarah Vercruysse, Bieke Vanhoutte, Christopher I. Jarvis, Kevin Van Zandvoort, John Edmunds, Philippe Beutels, Niel Hens
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/f23a4818214c4c108fefa4deb9df4d67
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spelling	oai:doaj.org-article:f23a4818214c4c108fefa4deb9df4d672021-12-02T12:40:40ZCoMix: comparing mixing patterns in the Belgian population during and after lockdown10.1038/s41598-020-78540-72045-2322https://doaj.org/article/f23a4818214c4c108fefa4deb9df4d672020-12-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-78540-7https://doaj.org/toc/2045-2322Abstract The COVID-19 pandemic has shown how a newly emergent communicable disease can lay considerable burden on public health. To avoid system collapse, governments have resorted to several social distancing measures. In Belgium, this included a lockdown and a following period of phased re-opening. A representative sample of Belgian adults was asked about their contact behaviour from mid-April to the beginning of August, during different stages of the intervention measures in Belgium. Use of personal protection equipment (face masks) and compliance to hygienic measures was also reported. We estimated the expected reproduction number computing the ratio of $$\hbox {R}_{0}$$ R 0 with respect to pre-pandemic data. During the first two waves (the first month) of the survey, the reduction in the average number of contacts was around 80% and was quite consistent across all age-classes. The average number of contacts increased over time, particularly for the younger age classes, still remaining significantly lower than pre-pandemic values. From the end of May to the end of July , the estimated reproduction number has a median value larger than one, although with a wide dispersion. Estimated $$\hbox {R}_{0}$$ R 0 fell below one again at the beginning of August. We have shown how a rapidly deployed survey can measure compliance to social distancing and assess its impact on COVID-19 spread. Monitoring the effectiveness of social distancing recommendations is of paramount importance to avoid further waves of COVID-19.Pietro ColettiJames WambuaAmy GimmaLander WillemSarah VercruysseBieke VanhoutteChristopher I. JarvisKevin Van ZandvoortJohn EdmundsPhilippe BeutelsNiel HensNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 10, Iss 1, Pp 1-10 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Pietro Coletti James Wambua Amy Gimma Lander Willem Sarah Vercruysse Bieke Vanhoutte Christopher I. Jarvis Kevin Van Zandvoort John Edmunds Philippe Beutels Niel Hens CoMix: comparing mixing patterns in the Belgian population during and after lockdown
description	Abstract The COVID-19 pandemic has shown how a newly emergent communicable disease can lay considerable burden on public health. To avoid system collapse, governments have resorted to several social distancing measures. In Belgium, this included a lockdown and a following period of phased re-opening. A representative sample of Belgian adults was asked about their contact behaviour from mid-April to the beginning of August, during different stages of the intervention measures in Belgium. Use of personal protection equipment (face masks) and compliance to hygienic measures was also reported. We estimated the expected reproduction number computing the ratio of $$\hbox {R}_{0}$$ R 0 with respect to pre-pandemic data. During the first two waves (the first month) of the survey, the reduction in the average number of contacts was around 80% and was quite consistent across all age-classes. The average number of contacts increased over time, particularly for the younger age classes, still remaining significantly lower than pre-pandemic values. From the end of May to the end of July , the estimated reproduction number has a median value larger than one, although with a wide dispersion. Estimated $$\hbox {R}_{0}$$ R 0 fell below one again at the beginning of August. We have shown how a rapidly deployed survey can measure compliance to social distancing and assess its impact on COVID-19 spread. Monitoring the effectiveness of social distancing recommendations is of paramount importance to avoid further waves of COVID-19.
format	article
author	Pietro Coletti James Wambua Amy Gimma Lander Willem Sarah Vercruysse Bieke Vanhoutte Christopher I. Jarvis Kevin Van Zandvoort John Edmunds Philippe Beutels Niel Hens
author_facet	Pietro Coletti James Wambua Amy Gimma Lander Willem Sarah Vercruysse Bieke Vanhoutte Christopher I. Jarvis Kevin Van Zandvoort John Edmunds Philippe Beutels Niel Hens
author_sort	Pietro Coletti
title	CoMix: comparing mixing patterns in the Belgian population during and after lockdown
title_short	CoMix: comparing mixing patterns in the Belgian population during and after lockdown
title_full	CoMix: comparing mixing patterns in the Belgian population during and after lockdown
title_fullStr	CoMix: comparing mixing patterns in the Belgian population during and after lockdown
title_full_unstemmed	CoMix: comparing mixing patterns in the Belgian population during and after lockdown
title_sort	comix: comparing mixing patterns in the belgian population during and after lockdown
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/f23a4818214c4c108fefa4deb9df4d67
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CoMix: comparing mixing patterns in the Belgian population during and after lockdown

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