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Health promotion and public health
Implementation of public policies as a strategy to increase adherence to immunisation against COVID-19
  1. Regina Ruivo Bertrand1,
  2. Renata Pereira2
  1. 1 Health Information Center, Sabara Children's Hospital, Sao Paulo, Brazil
  2. 2 Continuous Education, Pensi Institute, Sabara Children's Hospital, Sao Paulo, Brazil
  1. Correspondence to Regina Ruivo Bertrand, health information center, Sabara Children's Hospital, Sao Paulo, Brazil; r.ruivobertrand{at}

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Commentary on: Daly M, Robinson E. Willingness to vaccinate against COVID-19 in the US: Longitudinal evidence from a nationally representative sample of adults from April- October 2020. medRxiv [Preprint]. 2020 Nov 30:2020.11.27.20239970. doi: 10.1101/2020.11.27.20239970.

Implications for practice and research

  • Studies targeting the reasons that discourage vaccination are relevant.

  • The knowledge of these reasons gives support to the improvement of public policies of education and incentive to immunisation of the population.


In February 2020, the WHO named COVID-19 the newly emerging viral infection caused by a new coronavirus nominated SARS-CoV-2. This infection resulted in a pandemic.1

Currently, vaccines that prevent severe infection by SARS-CoV-2, developed in unprecedented time frames, are identified as the most promising approach to contain the pandemic and are being widely adopted.

On the other hand, there is a concern about receiving the immunising agent and questions regarding its safety, since there are no in-depth studies on its effectiveness and efficiency, as well as on its long-term adverse effects.2 …

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  • Competing interests None declared.

  • Provenance and peer review Commissioned; internally peer reviewed.