Hesitancy Towards a COVID-19 Vaccine and Prospects for Herd Immunity

Thunström, Linda; Ashworth, Madison; Finnoff, David; Newbold, Stephen C.

doi:10.2139/ssrn.3593098

Cited by 170 publications

(200 citation statements)

References 65 publications

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“…Table 1 presents raw counts, weighted sample proportions, and intention-to-vaccinate rates for the sample. Average intention to vaccinate is worrisomely low, consistent with public polling and previous research (Thunstrom et al 2020). 7 Weighting for a nationally representative sample, just over half of respondents de nitely want to vaccinate against COVID-19.…”

Section: Datasupporting

confidence: 76%

“…In the speci c context of COVID-19, Shoji et al (2020) show that knowledge of heightened local infection risk increases social distancing behavior. Moreover, a survey experiment by Thunstrom et al (2020) nds that risk communication increases intention to vaccinate against COVID-19. 3 A message emphasizing the respondent's personal risk may therefore increase intent to vaccinate as well.…”

Section: A Two-by-two Message Designmentioning

confidence: 99%

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Heard Immunity: Effective Persuasion for a Future COVID-19 Vaccine

Duquette

2020

SSRN Journal

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A survey experiment exposes treatment groups to four messages supporting future vaccination against COVID-19. These treatments emphasize either the risks of the virus or the safety of vaccination, to the respondent personally or to others. For a nationally representative sample, self-reported intent to vaccinate is not signi cantly di erent from the control for any message. However, there is a substantial divergence between white non-Hispanic respondents, whose response to all four treatments is close to zero, and non-white or Hispanic respondents, whose intention to vaccinate is over 50% higher in response to a message emphasizing pro-sociality and the safety of others.

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Section: Datasupporting

confidence: 76%

Section: A Two-by-two Message Designmentioning

confidence: 99%

Heard Immunity: Effective Persuasion for a Future COVID-19 Vaccine

Duquette

2020

SSRN Journal

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“…Although studies that assessed hesitancy toward COVID-19 vaccination are limited, the acceptance/ hesitancy rates toward any vaccine are diverse across the world [10]. Correspondingly, the percentage of hesitancy toward COVID-19 vaccination in the present study was twice that of the percentage reported for China [8], the USA [13], and Egypt [14]. This result emphasized the fact that further efforts are required in Saudi Arabia to increase the future uptake of COVID-19 vaccination perhaps by improving beliefs over eventual COVID-19 vaccination in particular and vaccination in general.…”

Section: Discussioncontrasting

confidence: 45%

Beliefs and Barriers Associated with COVID-19 Vaccination Among the General Population in Saudi Arabia

Magadmi

Kamel

2020

Preprint

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Background: Developing a vaccine against COVID-19 is considered a key strategy to end the pandemic. However, public acceptance is reliant on beliefs and perception toward the vaccine. Therefore, the study aimed to assess the beliefs and barriers associated with COVID-19 vaccination among the Saudi population. Methods: An online self-administered questionnaire was distributed across the main regions of Saudi Arabia on May 2020. The questionnaire addressed the socio-demographic variables, beliefs toward COVID-19 vaccination, and potential barriers that may prevent participants from being vaccinated. The association between COVID-19 vaccine acceptance and sociodemographic variables were analyzed. Logistic regression analysis was used to identify the predicting variables of vaccine acceptance.Results: Out of 3,101 participants, 44.7% are accepting of COVID-19 vaccination if available, whereas 55.3% admitted hesitancy. Younger, male, with secondary education, history of taking previous seasonal influenza vaccine, and positive belief toward COVID-19 vaccination are more likely to accept. The study found that concerns about side effects were the key barrier for vaccine acceptance. Furthermore, the majority of refusers will accept the vaccine if additional studies confirmed safety and effectiveness. Conclusion: Results can be utilized in planning vaccination campaigns while waiting for vaccine development.

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“…However, even if a successful vaccine is developed, enough people need to be willing to receive the vaccine to achieve herd immunity status, as natural exposure may be insufficient to reach this level of protection [4]. While the proportion of vaccinated individuals needed to achieve herd immunity status varies by disease, projected estimates for COVID-19 (the disease) range between 56% and 82% [5][6][7], and some believe these proportions are impossible to estimate for COVID-19 [4]. Further, 19.2% of the Canadian population is aged younger than 18 years [8], which likely necessitates that children be vaccinated to achieve these values, considering refusal rates in other segments of the population (e.g., only 30.8% of Canadians aged 18-64 without a chronic medical condition were vaccinated against influenza in the 2018-2019 season, [9]).…”

Section: Canadian Familiesmentioning

confidence: 99%

Demographic and psychological correlates of SARS-CoV-2 vaccination intentions in a sample of Canadian families

2020

Preprint

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The COVID-19 pandemic has been ongoing for close to a year, with second waves occurring presently and many viewing a vaccine as the most likely way to curb successive waves and promote herd immunity. Reaching herd immunity status likely necessitates that children, as well as their parents, receive a vaccine targeting SARS-CoV-2. In this exploratory study, we investigated the demographic, experiential, and psychological factors associated with the anticipated likelihood and speed of having children receive a SARS-CoV-2 vaccine in a sample of 455 Canadian families (857 children). Using linear mixed effects and proportional odds logistic regression models, we demonstrated that older parental age, living in the Prairies (relative to Central Canada), more complete child and parental vaccination history, more positive attitudes towards vaccines generally, higher psychological avoidance of the pandemic and a greater tendency to prioritize the risks of the disease relative to the risks of side effects (i.e., lower omission bias), were associated with higher likelihoods of intention to vaccinate participants' children. In some models, subjective evaluations of proximal COVID-19 risk and higher levels of state anxiety were associated with increased likelihood of having children vaccinated. Faster speed of intended vaccination was predicted by a similar constellation of variables, with higher SES emerging as a trend-level predictor of vaccination speed. Results are discussed with respect to public health knowledge mobilization.

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Hesitancy Towards a COVID-19 Vaccine and Prospects for Herd Immunity

Cited by 170 publications

References 65 publications

Heard Immunity: Effective Persuasion for a Future COVID-19 Vaccine

Heard Immunity: Effective Persuasion for a Future COVID-19 Vaccine

Beliefs and Barriers Associated with COVID-19 Vaccination Among the General Population in Saudi Arabia

Demographic and psychological correlates of SARS-CoV-2 vaccination intentions in a sample of Canadian families

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