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A preliminary study this week claimed to find a sharp reduction in the number of anti-coronavirus antibodies in patients about six months after receiving the COVID-19 vaccine.
The researchers “analyzed blood samples from 46 healthy adults, mostly young or middle-aged after receiving the two doses and again six months after the second dose,” Reuters reported this week.
The study indicated that “vaccination with the Pfizer-BioNtech vaccine induces high levels of neutralizing antibodies against the original vaccine strain, but these levels decline almost 10-fold in seven months,” said two of the researchers. in the news.
The study, which has yet to be peer-certified, comes as there is growing talk of the possible need for a COVID-19 vaccine booster to ensure a robust immune response.
The study determined that “administering a booster dose approximately 6-7 months after the initial vaccination will likely improve protection against SARS-CoV-2 and its variants.”
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