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The US has taken a big decision regarding the vaccine amid the increasing threat of the delta variant of the corona virus. In America, now people will be given booster shots of corona vaccine. Covid-19 vaccination efficacy is decreasing over time.
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US officials warned Wednesday that they have authorized booster shots for all Americans from September 20. The boost shot of the vaccine begins eight months after a person has been fully vaccinated.
The country’s top health officials said in a statement, “Available data clearly shows that protection against (coronavirus) infection begins to decline over time after the initial dose of vaccination. At the same time, in the midst of the increasing outbreak of the delta variant, we are facing a mild infection.” And there is evidence of low protection against moderate disease.”
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He said, “We have come to the conclusion that a booster shot will be needed to increase the protection from the vaccine against the corona and to prolong its durability.”