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The Effects of Aggregation on Pathogen Transmission and Evolution
The Effects of Aggregation on Pathogen Transmission and Evolution
The Effects of Aggregation on Pathogen Transmission and Evolution

Detailed Information

자료유형  
 학위논문 서양
최종처리일시  
20260202104647
ISBN  
9798293893928
DDC  
574
저자명  
Sheen, Justin Kihyun.
서명/저자  
The Effects of Aggregation on Pathogen Transmission and Evolution
발행사항  
[Sl] : Princeton University, 2025
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2025
형태사항  
208 p
주기사항  
Source: Dissertations Abstracts International, Volume: 87-04, Section: B.
주기사항  
Advisor: Metcalf, C. Jessica E.
학위논문주기  
Thesis (Ph.D.)--Princeton University, 2025.
초록/해제  
요약Aggregation of hosts is a ubiquitous feature within infectious disease systems: humans aggregate in households, schools, and workplaces, while wildlife and livestock animals aggregate into flocks, live market populations, as well as their own social clusters. Because aggregation is a fundamental part of the ecology of many hosts, it will affect the long-term transmission and evolution of pathogens within infectious disease systems. Additionally, it will affect the interventions we put in place to mitigate infection burden. In this dissertation, I address the effects of aggregation on the transmission and evolution of infectious diseases, as well as on intervention strategies. To address transmission, in the first chapter I model the effects of aggregation of poultry in village populations on Herd Immunity Thresholds of Newcastle disease virus, and in the second chapter the effects of the aggregation of evicted individuals into "doubled-up" households on transmission of COVID-19 in heterogeneous urban landscapes. To address evolution I ask how the aggregation of poultry across regions into live-animal markets will affect the long-term virulence evolution of avian pathogens, such as H5N1 avian influenza. Finally, to address interventions, I first develop causal inference methodology for field trials in order to assess the dependence of the protective effects of transmissible vaccines on aggregation, and second, investigate how to adequately power cluster randomized-control trials to estimate the effects of non-pharmaceutical interventions for places where humans normally aggregate, such as schools and workplaces. Identifying the role of aggregation allows us to better understand the host ecology of infectious disease systems, as well as design rational intervention strategies and policies to mitigate disease.
일반주제명  
Biology
일반주제명  
Ecology
일반주제명  
Pathology
일반주제명  
Evolution & development
키워드  
Aggregation
키워드  
Infectious disease systems
키워드  
Avian pathogens
기타저자  
Princeton University Ecology and Evolutionary Biology
기본자료저록  
Dissertations Abstracts International. 87-04B.
전자적 위치 및 접속  
로그인 후 원문을 볼 수 있습니다.

MARC

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■1001  ▼aSheen,  Justin  Kihyun.
■24510▼aThe  Effects  of  Aggregation  on  Pathogen  Transmission  and  Evolution
■260    ▼a[Sl]▼bPrinceton  University▼c2025
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2025
■300    ▼a208  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  87-04,  Section:  B.
■500    ▼aAdvisor:  Metcalf,  C.  Jessica  E.
■5021  ▼aThesis  (Ph.D.)--Princeton  University,  2025.
■520    ▼aAggregation  of  hosts  is  a  ubiquitous  feature  within  infectious  disease  systems:  humans  aggregate  in  households,  schools,  and  workplaces,  while  wildlife  and  livestock  animals  aggregate  into  flocks,  live  market  populations,  as  well  as  their  own  social  clusters.  Because  aggregation  is  a  fundamental  part  of  the  ecology  of  many  hosts,  it  will  affect  the  long-term  transmission  and  evolution  of  pathogens  within  infectious  disease  systems.  Additionally,  it  will  affect  the  interventions  we  put  in  place  to  mitigate  infection  burden.  In  this  dissertation,  I  address  the  effects  of  aggregation  on  the  transmission  and  evolution  of  infectious  diseases,  as  well  as  on  intervention  strategies.  To  address  transmission,  in  the  first  chapter  I  model  the  effects  of  aggregation  of  poultry  in  village  populations  on  Herd  Immunity  Thresholds  of  Newcastle  disease  virus,  and  in  the  second  chapter  the  effects  of  the  aggregation  of  evicted  individuals  into  "doubled-up"  households  on  transmission  of  COVID-19  in  heterogeneous  urban  landscapes.  To  address  evolution  I  ask  how  the  aggregation  of  poultry  across  regions  into  live-animal  markets  will  affect  the  long-term  virulence  evolution  of  avian  pathogens,  such  as  H5N1  avian  influenza.  Finally,  to  address  interventions,  I  first  develop  causal  inference  methodology  for  field  trials  in  order  to  assess  the  dependence  of  the  protective  effects  of  transmissible  vaccines  on  aggregation,  and  second,  investigate  how  to  adequately  power  cluster  randomized-control  trials  to  estimate  the  effects  of  non-pharmaceutical  interventions  for  places  where  humans  normally  aggregate,  such  as  schools  and  workplaces.  Identifying  the  role  of  aggregation  allows  us  to  better  understand  the  host  ecology  of  infectious  disease  systems,  as  well  as  design  rational  intervention  strategies  and  policies  to  mitigate  disease.
■590    ▼aSchool  code:  0181.
■650  4▼aBiology
■650  4▼aEcology
■650  4▼aPathology
■650  4▼aEvolution  &  development
■653    ▼aAggregation
■653    ▼aInfectious  disease  systems
■653    ▼aAvian  pathogens
■690    ▼a0306
■690    ▼a0412
■690    ▼a0329
■690    ▼a0571
■71020▼aPrinceton  University▼bEcology  and  Evolutionary  Biology.
■7730  ▼tDissertations  Abstracts  International▼g87-04B.
■790    ▼a0181
■791    ▼aPh.D.
■792    ▼a2025
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17358343▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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