Corona vaccines entered our lives in December 2020 and their safety was based on the subjects' report, now an innovative study by Tel Aviv University determines the safety of vaccines using smart sensors and objective physiological parameters that provide clear and unambiguous results.
The study was conducted at the time of receiving the second corona vaccine.
The researchers provided the volunteers with innovative, FDA-approved sensors from the Israeli company Biobit.
The sensors were attached to their chests and checked their physiological condition the day before receiving the vaccine and up to three days after receiving the vaccine.
As mentioned, the sensors monitor 13 physiological indicators such as heart rate, respiration rate, blood oxygen, heart rate volume and temperature.
Vaccination campaign begins in malls // Photo: Paz Bar, Yaniv and Mt.
The results of the study were surprising.
On the one hand, the researchers identified a significant lack of connection between the subjective reports of side effects and the actual measurements.
For example, subjects testified in questionnaires that they had a headache, while the physical indices did not indicate so.
In addition, in the first 48 hours, the side effects increase and then return to the pre-vaccination norm.
That is, there is a physiological response to the vaccine in the first 48 hours and then the values stabilize again.
The study was led by Dr. Yiftach Geffner of the Department of Epidemiology and Preventive Medicine at the Faculty of Medicine, Dr. Dan Yemin and Dr. Erez Shmueli of the Faculty of Engineering. The study was published in the journal Communications Medicine from Nature.
"In the currently accepted method, researchers ask subjects how he feels before and after receiving the treatment or vaccine, this is a completely subjective report," Dr. Geffner emphasizes the importance of the study, adding: "In 2022 it is time for a continuous, sensitive and objective safety test. New vaccines and treatments.
There is no reason to rely on self-reports and wait for the appearance of rare side effects like myocarditis, myocarditis, an event that happens once every 10,000 vaccines.
"Through the study, it is possible to find early signs of inflammation and thus identify how much the vaccine changes physiological indicators and the risk of inflammation."
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