Defining hard-to-reach populations for vaccination

Ozawa, Sachiko; Yemeke, Tatenda T.; Evans, Daniel R.; Pallas, Sarah Wood; Wallace, Aaron S.; Lee, Bruce Y.

doi:10.1016/j.vaccine.2019.06.081

Cited by 66 publications

(54 citation statements)

References 96 publications

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“…DTP1-to-DTP3 dropout rates include both populations that are hard to reach and those that are hard to vaccinate. Hard-to-reach populations include those facing supply-side barriers to vaccination because of factors such as geographic distance or terrain, whereas hard-to-vaccinate populations include those who are reachable but whose distrust, religious beliefs, or other factors can lead them to decide against vaccination for their children ( 7 ). …”

mentioning

confidence: 99%

Global Routine Vaccination Coverage, 2018

Peck¹,

Gacic-Dobo²,

Diallo³

et al. 2019

MMWR Morb. Mortal. Wkly. Rep.

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168

129

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mentioning

confidence: 99%

Global Routine Vaccination Coverage, 2018

Peck¹,

Gacic-Dobo²,

Diallo³

et al. 2019

MMWR Morb. Mortal. Wkly. Rep.

Self Cite

168

129

View full text Add to dashboard Cite

“…Furthermore, non-household individuals typically form only a small proportion of the total population [48] and therefore their impact on the general population will be limited. However, given the fact that this population is highly compartmentalized [49], and constitutes a fragile segment of the population, a specialized program is warranted to avoid outbreaks in this sub-population.…”

Section: Discussionmentioning

confidence: 99%

Assessing the feasibility and effectiveness of household-pooled universal testing to control COVID-19 epidemics

et al. 2021

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Outbreaks of SARS-CoV-2 are threatening the health care systems of several countries around the world. The initial control of SARS-CoV-2 epidemics relied on non-pharmaceutical interventions, such as social distancing, teleworking, mouth masks and contact tracing. However, as pre-symptomatic transmission remains an important driver of the epidemic, contact tracing efforts struggle to fully control SARS-CoV-2 epidemics. Therefore, in this work, we investigate to what extent the use of universal testing, i.e., an approach in which we screen the entire population, can be utilized to mitigate this epidemic. To this end, we rely on PCR test pooling of individuals that belong to the same households, to allow for a universal testing procedure that is feasible with the limited testing capacity. We evaluate two isolation strategies: on the one hand pool isolation, where we isolate all individuals that belong to a positive PCR test pool, and on the other hand individual isolation, where we determine which of the individuals that belong to the positive PCR pool are positive, through an additional testing step. We evaluate this universal testing approach in the STRIDE individual-based epidemiological model in the context of the Belgian COVID-19 epidemic. As the organisation of universal testing will be challenging, we discuss the different aspects related to sample extraction and PCR testing, to demonstrate the feasibility of universal testing when a decentralized testing approach is used. We show through simulation, that weekly universal testing is able to control the epidemic, even when many of the contact reductions are relieved. Finally, our model shows that the use of universal testing in combination with stringent contact reductions could be considered as a strategy to eradicate the virus.

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“…We expect that this is the result of other cultural and ideological factors shared by this population. It is possible that the anti-vaccination group shares a reluctance to participate with other hard-to-reach populations [41]. Anti-vaccination attitudes are not the mainstream ideology and it is possible that people who hold anti-vaccination beliefs may feel persecuted or unable to safely share their thoughts.…”

Section: Social and Familial Group In Uencementioning

confidence: 99%

Attitudes of East Tennessee Residents Towards General and Pertussis Vaccination: A Qualitative Study

Tandy

Jabson

2020

Preprint

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BackgroundDespite vaccination being one of the safest and most successful public health tools to control infectious diseases, some people still doubt the efficacy and safety of vaccines. In order to address vaccine hesitancy and anti-vaccination sentiment, it is necessary to understand vaccination attitude development and vaccination behaviors. The objective of this project was to qualitatively investigate general vaccination attitudes and behavior with an additional emphasis on pertussis vaccination. MethodsTo identify factors that influence attitudes toward vaccination and behaviors in East Tennessee, eleven one-on-one interviews were conducted with participants recruited through convenience and purposive sampling. Interview protocol and deductive codes were developed using the Triadic Theory of Influence as a theoretical framework. Interview transcripts were analyzed qualitatively and themes were identified through constant comparison of interviews, considering both deductively and inductively coded data. ResultsMost participants (8) held positive attitudes towards vaccination. Participants (8) comfortable with vaccinating themselves or their children said they followed recommendations of doctors. Vaccine hesitant participants’ (3) most frequently cited concern was safety and concern about side effects. These participants also reported that they referenced non-academic or professional sources and felt confident about their knowledge of vaccines and diseases. Vaccine hesitant participants had low perception of risk of vaccine-preventable diseases, particularly pertussis. Participants with children reported that friends and family were influential when deciding to vaccinate their children. ConclusionsThis study identified themes in the attitudes towards vaccination of participants recruited in East Tennessee. We found that risk perception and family and social group attitudes were the primary influences on vaccination decision making. We recommend that future research includes anti-vaccination participants in their research, if possible, and further explore the relationship between perception of one’s own knowledge and health behavior outcomes.

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Defining hard-to-reach populations for vaccination

Cited by 66 publications

References 96 publications

Global Routine Vaccination Coverage, 2018

Global Routine Vaccination Coverage, 2018

Assessing the feasibility and effectiveness of household-pooled universal testing to control COVID-19 epidemics

Attitudes of East Tennessee Residents Towards General and Pertussis Vaccination: A Qualitative Study

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