Studies and Research
The body of research on the effects of intramuscular injections is vast and detailed. However, the highly technical language in these studies can be difficult for the general public to understand.
In public health research, authors often soften their wording due to pressure from journals to downplay negative findings on side effects and adverse reactions. As a result, important insights are frequently obscured or carefully phrased in the papers themselves—though they remain visible in the data sets and discussion sections upon close review.
To address this, HFDF has created this searchable compendium of studies, each paired with clear, plain-language summaries and notes prepared by our team. Our goal is to cut through technical complexity, bias, and ambiguity so individuals can access the key facts and make informed health decisions.
This resource will continue to grow, with new studies and improvements added regularly.
Please note that HFDF does not necessarily endorse or support any policy arguments or specific assumptions made by the authors. HFDF commentary describes and summarizes the role this study plays in the scientific discourse and provides abbreviated notes.
Recently Posted Studies
-
Autoimmunity roots of the thrombotic events after COVID-19 vaccination
This paper reviews how autoimmunity emerges after vaccination for covid-19, including formation of disease, treatment, and likelihood.
-
Acute transverse myelitis following SARS-CoV-2 vaccination: a case report and review of literature
Journal: J neurolLead Author:
Khan et al.Original date of publication:
03/01/2022Keywords: transverse myelitisCase study of acute transverse myelitis (polio-like symptoms) post Moderna mRNA injection
-
Relationship between pre-existing allergies and anaphylactic reactions post mRNA COVID-19 vaccine administration
This study looks at rates of anaphylaxis post mRNA and finds a 2 to 7 times higher risk among people who already analylaxed previously.
-
Characteristics of teenagers presenting ith chest pain after COVID-19 mRNA vaccination
This study suggests much of the chest pain experienced is not even diagnosed as myocarditis, yet 40% had mycocardial abnormalities 26% had edema, and 31% have myocardial injury.
-
Perdictors of persistent symptoms after mRNA SARS-CoV2 vaccine related myocarditis (myovacc registry)
While males suffer more post-mRNA heart damage, females have more persistent symptoms from such injuries, symptoms lasted a median of 7 months.








