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A recent study in the UK compared the immune reactions generated by vaccines of AstraZeneca Yes Pfizer. Below we share all the details of the investigation, and we also discuss what are the differences which are presented and the Side effects What to consider.
As reported by Redacción Médica, this is the first study that directly compares immunity produced for AstraZeneca and Pfizer vaccines. It was performed at the University of Birmingham and, among other results, showed that antibody responses in people over 80 who received the first dose are very similar.
To everyone’s comfort, Paul Moss, co-director of the survey, expressed that ??both vaccines are good??. With this in mind, the specialist added that “these vaccines are equivalent and effective in inducing antibody responses in the vast majority of people, even after a dose”.
It should be noted that the study group consisted of people aged 80 to 99 years.
Regarding the results, the specialist portal summarizes that research published in the Lancet indicates that it was found that the antibody keys were present at similar levels in the 93 percent Of the 76 study participants who received the single dose of the Covid-19 vaccine from Pfizer, and the 87 percent of the 89 participants who received the AstraZeneca??.
Despite this small difference, the AstraZeneca vaccine shows a greater incentive for activity in objective TWhich ones can act as a broader protection by attacking and killing any cell infected with the virus.
Another study which provides valuable information on these vaccines is that carried out by King’s College, London, studying more than half a million people from all over the world. UK who received the injections of Pfizer (both doses) and AstraZeneca (only the first).
Forbes Mexico shares that 25.4% of the cases analyzed presented systemic side effects, which are those observed outside the injection area.
Most of the effects observed are mild and include fatigue and headaches. However, it is also possible to experience chills, tremors, diarrhea, nausea, fever, and joint pain.
On another note, 66.2% of the cases in question admitted to having had effects on the injection site. Pain, swelling, redness, itching, and tenderness are some of those mentioned.
Finally, this medium indicates that the study shows that those who had already passed the Covid-19 were three times more likely to have side effects after receiving the doses of Pfizer. In the case of AstraZeneca, they were almost twice as likely.
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