A new British study revealed that those recovering from the Corona virus who were vaccinated respond to vaccines 7 times better than those who had not been infected with the virus before, and the researchers found that antibody levels were three times higher in people with the virus before and received a single dose of The Pfizer vaccine, compared to someone who had never been infected but had two doses of the same vaccine, and the difference was greater when they looked at people who had never had a corona and were given only one dose of the vaccine.
According to the British newspaper "Daily Mail", experts confirmed that the single dose produced a "strong" immune response in 99% of people, and said that levels of protection are stronger after an additional dose, which confirms the importance of people getting the second dose of the vaccine.
The data showed that vaccines provide a "breadth" of the immune response, leaving experts confident that the vaccines must be effective against the South African variant and other mutated strains.
The study was conducted on 237 health workers in Sheffield, Oxford, Liverpool, Newcastle and Birmingham and most of the volunteers were female.
The researchers measured levels of both antibodies and T cells, which are substances that the immune system uses to destroy the Corona virus.
The scientists found that after a single dose of the vaccine, people who had coronavirus in the past had 6.8 times as many antibodies in their blood as those who did not.
The study comes after results in the past few months showed that antibody responses after a single dose are significantly higher in people who have survived Corona.
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