“ International peer-reviewed studies that investigated the sex differences in effectiveness and safety within the general population also found that it was more common for females to experience negative side effects compared to males overall,” says Professor Szoeke. Vaccine efficacy was consistently found to be higher in males than females for the first shot of the vaccine, according to peer-reviewed studies.īut it also looked at the key sex differences in historical vaccines like the 2009 H1N1 vaccine and influenza vaccines to give context for the results. Those that analysed the information, found there were differences.” “What we found was that 100 per cent of studies collected the information, but only 30 per cent reported on differences and side-effect profiles on men and women.
The research compares international studies on how men and women responded to COVID-19 vaccines. “This international consortia looked at all the clinical trials and reviews about COVID and reported which ones obtained information for men and women and which ones reported that information. The second group included five peer-reviewed studies conducted in the general population after the rollout of vaccines.
#VACCINE SIDE EFFECT COMPARISON TRIAL#
The first were clinical trial reports published by regulatory bodies including the US Food and Drug Administration (FDA), the European Medicines Agency (EMA) and Health Canada. This international paper reviewed two groups of studies. Professor Szoeke and her co-authors’ research found under-reporting of differences between male and female response to the COVID-19 vaccines in clinical trial reports.
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