Expression of concern coming for paper some used to link COVID-19 vaccines to deaths – Retraction Watch

The journal BMJ Public Health is placing an expression of concern on a paper it said gave rise to widespread misreporting and misunderstanding, namely, claims that it implies a direct causal link between COVID-19 vaccination and mortality.

The article, Excess mortality across countries in the Western World since the COVID-19 pandemic: Our World in Data estimates of January 2020 to December 2022, appeared online June 3, and quickly attracted attention and criticism. The expression of concern is not yet live.

In their conclusions, the authors wrote:

Excess mortality has remained high in the Western World for three consecutive years, despite the implementation of COVID-19 containment measures and COVID-19 vaccines.

The next step, they wrote, was to distinguish between the various potential contributors to excess mortality, including COVID-19 infection, indirect effects of containment measures and COVID-19 vaccination programmes.

Lots of outlets covered the study. The Telegraph ran its story with the headline, Covid vaccines may have helped fuel rise in excess deaths.

The New York Posts story took a similar angle, writing that the researchers found excess mortality has remained high since 2020 despite the widespread rollout of COVID vaccines and various containment measures, and quoting the papers statements about reported serious injuries and deaths following vaccination. The Post later corrected its story and added the following note:

An earlier version of this article did not reflect that the study did not analyze the impact of vaccination nor establish a link between mortality and vaccination status.

In response to the coverage, BMJ released the following statement:

Various news outlets have claimed that this research implies a direct causal link between COVID-19 vaccination and mortality. This study does not establish any such link. The researchers looked only at trends in excess mortality over time, not its causes. While the researchers recognise that side effects are reported after vaccination, the research does not support the claim that vaccines are a major contributory factor to excess deaths since the start of the pandemic. Vaccines have, in fact, been instrumental in reducing the severe illness and death associated with COVID-19 infection.

The message of the research is that understanding overall excess mortality since the COVID-19 pandemic is crucial for future health policy, but that identifying specific causes is complex due to varying national data quality and reporting methods.

In a similar episode, the New England Journal of Medicine added an editors note in 2017 to a 1980 letter published in the journal that, the note said, had been heavily and uncritically cited as evidence that addiction is rare with opioid therapy.

Despite BMJs statement, scientists critiqued the studys methodology on X (formerly Twitter). Ariel Karlinsky, an economist at the Hebrew University of Jerusalem in Israel, whose work the study cited, wrote:

Karlinsky told Retraction Watch he and a few colleagues have submitted a commentary and request for retraction to BMJ Public Health.

Three of the authors (Saskia Mostert, Minke Huibers, and Gertjan Kaspers) are affiliated with the Princess Mxima Center for Pediatric Oncology in Utrecht, The Netherlands; the fourth, Marcel Hoogland, is identified as an independent researcher in Amsterdam. Mostert, the corresponding author, has not responded to our request for comment.

On June 11, the Princess Mxima Center issued a statement saying it distances itself from the publication and will investigate the scientific quality of this study. The statement added:

Originally, the idea was to look at the effect of COVID measures on, among other things, the mortality rate of children with cancer in low-income countries. During the course of the study, the focus shifted and diverted in a direction that we felt was too far from our expertise: pediatric oncology. We are not experts in epidemiology, nor do we want to give that impression. The Mxima Center therefore emphatically distances itself from this publication. We should have been more alert to the formation and results of this publication and will further investigate the way it was created. If it turns out that carelessness was involved in the realization of this publication, it will of course be withdrawn.

On June 13, BMJ sent a press release to reporters saying it is investigating the quality of the research and the messaging of the paper, and would place an expression of concern on the article.

BMJs press release concluded:

As part of the investigation the authors will be asked to review and respond to the concerns raised to BMJ about the quality and messaging of the paper. BMJ will then decide what further action is needed.

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Expression of concern coming for paper some used to link COVID-19 vaccines to deaths - Retraction Watch