National Trends in the US Public’s Likelihood of Getting a COVID-19 Vaccine—April 1 to December 8, 2020 | Infectious Diseases | JAMA | JAMA Network
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    2 Comments for this article
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    Accepting Vaccines Is Essential Against COVID-19
    Michael McAleer, PhD (Econometrics), Queen's | Asia University, Taiwan
    History will tell in the long run if safe, effective, durable, affordable, and available vaccines helped turn the tide against the COVID-19 pandemic.

    In the meantime, the short and medium term outcomes will need approved vaccines to be widely accepted in the community, without which any purported move toward herd immunity will be defeated.

    The interesting and informative research outcomes by a team of medical experts used four cross-sectional internet surveys in April and May 2020, which occurred in the early months of the pandemic, and a robust Poisson regression approach to estimate adjusted risk ratios, as well as cluster-robust
    linear regression models.

    Alternative models with associated diagnostic checks would be able to determine the robustness of the empirical estimates, standard errors, and valid confidence intervals.

    The empirical findings across all cohorts based on socio-economic and demographic characteristics, between early April (74%) and November-December 2020 (56%), showed a dismaying reduction in the percentage of survey respondents who were likely to be vaccinated.

    These results were obtained before the distribution of several vaccines globally, not all of which have passed stringent clinical trials, as well as in the USA, where two approved vaccines are presently being distributed, which are likely to affect the public's willingness to accept vaccination, especially as the second and higher waves of infections continue to escalate.
    CONFLICT OF INTEREST: None Reported
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    Why the Drop in Vaccination Willingness?
    Jeanne Kropko, Registered Nurse | Dialysis
    People trust government less and less as these years roll on. How does one re-establish trust? I think a long record of saying what you mean and meaning what you say would help. Until then, trust will fluctuate. Either make the vaccine mandatory, give it time and show the country it is going well to build trust, or pay people to take it.
    CONFLICT OF INTEREST: None Reported
    Views 47,296
    Citations 0
    Research Letter
    December 29, 2020

    National Trends in the US Public’s Likelihood of Getting a COVID-19 Vaccine—April 1 to December 8, 2020

    Author Affiliations
    • 1Department of Pediatrics, University of California, Los Angeles
    • 2Dornsife College of Letters Arts and Sciences Center for Economic and Social Research, University of Southern California, Los Angeles
    • 3Los Angeles County Department of Public Health, Office of Health Assessment and Epidemiology, Los Angeles, California
    • 4Department of Medicine Statistics Core, University of California, Los Angeles
    JAMA. Published online December 29, 2020. doi:10.1001/jama.2020.26419

    The coronavirus disease 2019 (COVID-19) pandemic is causing enormous morbidity and mortality across the US and is disproportionately affecting racial/ethnic minority populations and elderly persons. High acceptance of COVID-19 vaccines will be instrumental to ending the pandemic.

    Four cross-sectional internet surveys1-4 (3 using convenience samples1,3,4) from April2 and May1,3,4 2020 found that 58% to 69% of adults intended to get vaccinated against COVID-19, with higher percentages reported in April2 than in May.1,3,4 These studies did not track the same individuals over time, making it difficult to assess whether intent to get vaccinated has truly declined.

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