Effective Social Network-Based Allocation of COVID-19 Vaccines

Effective Social Network-Based Allocation of COVID-19 Vaccines
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基于社交网络的有效 COVID-19 疫苗分配

DOI:
10.1145/3534678.3542673
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发表时间:
2022
期刊:
Proceedings of the KDD Health Day (2022
影响因子:
--
通讯作者:
Vullikanti, Anil
Vullikanti, Anil
中科院分区:
--
文献类型:
--
作者:
Chen, Jiangzhuo;Hoops, Stefan;Marathe, Achla;Mortveit, Henning;Lewis, Bryan;Venkatramanan, Srinivasan;Haddadan, Arash;Bhattacharya, Parantapa;Adiga, Abhijin;Vullikanti, Anil

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我们根据个人潜在的社会联系网络的结构特性研究COVID-19疫苗的分配。使用弗吉尼亚联邦的社会接触网络的现实代表性,我们研究了如何有限数量的疫苗剂量可以战略性地分配给个人,以减少大流行的整体负担。我们发现,在减少感染、住院和死亡人数方面,基于个人程度(社会接触次数)和总社会接近时间的疫苗分配比通常使用的基于年龄的分配策略更有效。即使在以下情况下,总体策略也是稳健的:(i)如果没有正确估计社会接触;(ii)如果疫苗功效低于预期或仅接种一剂;(iii)如果疫苗生产和部署出现延迟;(iv)在部署疫苗时是否继续非药物干预措施。出于可实施性的原因,我们使用了度,这是一种简单的结构性度量,可以使用多种方法(包括当今可用的数字技术)轻松估计。这些结果意义重大,特别是对资源贫乏的国家而言,因为这些国家的疫苗供应较少,效力较低,分发速度较慢。
We study allocation of COVID-19 vaccines to individuals based on the structural properties of their underlying social contact network. Using a realistic representation of a social contact network for the Commonwealth of Virginia, we study how a limited number of vaccine doses can be strategically distributed to individuals to reduce the overall burden of the pandemic. We show that allocation of vaccines based on individuals' degree (number of social contacts) and total social proximity time is significantly more effective than the usually used age-based allocation strategy in reducing the number of infections, hospitalizations and deaths. The overall strategy is robust even: (i) if the social contacts are not estimated correctly; (ii) if the vaccine efficacy is lower than expected or only a single dose is given; (iii) if there is a delay in vaccine production and deployment; and (iv) whether or not non-pharmaceutical interventions continue as vaccines are deployed. For reasons of implementability, we have used degree, which is a simple structural measure and can be easily estimated using several methods, including the digital technology available today. These results are significant, especially for resource-poor countries, where vaccines are less available, have lower efficacy, and are more slowly distributed.
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