Pfizer’s COVID vaccine provides partial protection against Omicron variant

The WHO has described the Omicron variant as having a ‘worrisome nature’. This form has been changed about 50 times.


Initially worrying news has come for people taking doses of Pfizer’s anti-corona vaccine. Research has found that Pfizer’s vaccine against coronavirus disease (Covid-19) actually provides less immunity than other major versions of the virus. Significantly, Pfizer’s anti-Covid-19 vaccine provides partial protection against the new Omicron variant of the coronavirus. The study has not yet been evaluated by experts. It was shared on the website ‘MedRxiv’ on Tuesday. Research has shown that people who had taken both doses of the vaccine and those who had been infected had significantly higher immunity.

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The new form of corona virus ‘Omicron’ was first identified by South African scientists. The World Health Organization (WHO) has described it as a ‘worrisome nature’. Experts say that this form has been changed about 50 times. Of these, 32 changes occurred in the part of the spike protein through which the virus enters human cells. Professor Willem Hannekom, executive director of the Africa Health Research Institute, South Africa, said: “It is important to confirm the clinical implications of these important laboratory data. It is expected that vaccines will provide less protection against this form.

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“Importantly, most vaccine manufacturers agree that current vaccines are still effective against the fear of serious illness and death from ‘Omicron’,” he said. That’s why it’s important for everyone to get vaccinated.” Researchers examined whether the anti-Covid-19 ‘Pfizer mRNA’ vaccine was effective against the new form of the virus, ‘Omicron’, and whether it could be used to infect human cells. For this the ‘ACE 2 receptor’ is needed. The ‘angiotinsin converting enzyme-2’ receptors are a type of enzyme that binds to the cell surface in the heart, lungs, arteries, kidneys and intestines of the human body.

This is the way the virus enters the human body. Researchers have found that ‘Omicron’ requires ACE2 to enter the human body. The study found that samples taken immediately after being vaccinated from people already infected with SARS-CoV-2 showed a significantly higher effect against infection. At the same time, its effect was shown to be 41 times less only on those who took the vaccine.

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