Validation of the new Swedish vaccination register – Accuracy and completeness of register data

Chrapkowska, Cecilia; Galanis, Ilias; Kark, Malin; Lepp, Tiia; Lindstrand, Ann; Roth, Adam; Nilsson, Anna

doi:10.1016/j.vaccine.2020.04.020

Cited by 10 publications

(19 citation statements)

References 21 publications

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“…Thanks to the validated Swedish national vaccination register, vaccine coverage of young children has undergone thorough surveillance, even during the pandemic. 17 F I G U R E 6 (A-D) Shortages of vaccines, child health centre staff, necessary equipment and protective equipment during the pandemic.…”

Section: Discussionmentioning

confidence: 99%

“…The Swedish national vaccine register, held by the Public Health Agency, covers all vaccines included in the national immunisation programme. It has been shown to be a reliable, validated and highly complete data source for vaccine coverage monitoring 17 …”

Section: Introductionmentioning

confidence: 99%

“…It has been shown to be a reliable, validated and highly complete data source for vaccine coverage monitoring. 17 This study investigated the resilience of the Swedish national immunisation programme and other selected child health services in Mars to August 2020, during the ongoing pandemic. It did this by surveying all 21 and regional child health offices.…”

mentioning

confidence: 99%

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National Swedish survey showed that child health services and routine immunisation programmes were resilient during the early COVID‐19 pandemic

et al. 2021

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Aim Routine immunisation programmes are at risk of disruption due to the COVID‐19 pandemic. This study aimed to investigate the resilience of the Swedish national immunisation programme for children up to the age of five years during the early stages of the pandemic. Methods This was a cross‐sectional, web‐based survey of regional child health offices in Sweden between 10 September and 9 October 2020. It explored the organisation of child health services during the early stages of the pandemic, focusing on routine child immunisation. Results All 21 Swedish regional child health offices responded. They stated that child immunisation had been prioritised, communication with families had been intensified and there was greater flexibility at all organisational levels of child health services. In addition, the vaccine supply was sustained and child health centres remained open. However, there were periodic staff shortages, increased numbers of health visits cancelled by parents and most parent education groups were paused. Conclusion The Swedish immunisation programme was resilient during the early COVID‐19 pandemic, thanks to sustainable organisation co‐ordinated by Sweden's network of regional child health offices.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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National Swedish survey showed that child health services and routine immunisation programmes were resilient during the early COVID‐19 pandemic

et al. 2021

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“…The study population comprises all adults aged 35–64 years, permanently residing in Sweden and alive on 31 October 2021 as registered in the Total Population Register [10] . This register also yielded information on region of birth [10] .…”

Section: Methodsmentioning

confidence: 99%

Differences by region of birth in SARS-CoV-2 vaccine coverage and positive SARS-CoV-2 test among 400 000 healthcare workers and the general population in Sweden

Ljung¹,

Feychting²,

Burström³

et al. 2022

Vaccine

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“…The vaccine products are specified by a unique identifier based on a combination of brand name, substance, formulation, additionally batch number and dose number (for repeated doses). The completeness of registration within the child immunisation program is high, where 98.4% of children had at least one vaccination recorded; however, completeness for vaccination for COVID-19 has not been published ( 9 ). The register is held by the Public Health Agency of Sweden.…”

Section: Methodsmentioning

confidence: 99%

The profile of the COvid-19 VACcination register SAFEty study in Sweden (CoVacSafe-SE)

Ljung

Sundström

Grünewald

et al. 2021

ujms

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Background: The coronavirus disease 2019 (COVID-19) vaccines have been rapidly implemented in national vaccination programs world-wide after accelerated approval processes. The large population exposure achieved in very short time requires systematic monitoring of safety. The Swedish Medical Products Agency has launched a project platform for epidemiological surveillance to detect and characterise suspected adverse effects of COVID-19 vaccines in Sweden. Methods: The platform includes all individuals 12 years or older in Sweden in 2021 and will be updated annually. Data, including vaccine and COVID-19 disease data, socioeconomic and demographic data, comorbidity, prescribed medicines and healthcare utilisation outcomes, are obtained from several national registers in collaboration with other Swedish Government agencies. Data from 2015 to 2019 are used as a historical comparison cohort unexposed to both the COVID-19 pandemic and to the COVID-19 vaccines. Results: The primary study cohort includes 8,305,978 adults 18 years and older permanently residing in Sweden on 31 December 2020. The historical control cohort includes 8,679,641 subjects. By 31 July 2021, around 50% of those 18 years and older and two-thirds of those 50 years and older were vaccinated with at least one dose, 90% of those 70 years or older had two doses. Conclusions: The nationwide register-based study cohort created by the Swedish Medical Products Agency with regular updates of individual level linkage of COVID-19 vaccination exposure data to other health data registers will facilitate both safety signal detection and evaluation and other pharmacoepidemiological studies.

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Validation of the new Swedish vaccination register – Accuracy and completeness of register data

Cited by 10 publications

References 21 publications

National Swedish survey showed that child health services and routine immunisation programmes were resilient during the early COVID‐19 pandemic

National Swedish survey showed that child health services and routine immunisation programmes were resilient during the early COVID‐19 pandemic

Differences by region of birth in SARS-CoV-2 vaccine coverage and positive SARS-CoV-2 test among 400 000 healthcare workers and the general population in Sweden

The profile of the COvid-19 VACcination register SAFEty study in Sweden (CoVacSafe-SE)

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