Jakarta, CNBC Indonesia – AstraZeneca CEO, Pascal Soriot, said that injecting a booster for the corona vaccine did not have a clear scientific basis. He even said no, namely that boosters can create stronger advanced immunity against Covid-19.
In his statement, Soriot explained that AstraZeneca produces immune cells high enough that the vaccine should be able to resist infection in the long term.
“There are two dimensions of this immunity. First antibodies (which) decrease over time, but a very important second dimension of vaccination are the so-called T-cells. They tend to protect people from severe disease and also confer resistance,” Soriot explained. CNBC International, Thursday (29/7/2021)
“With the technology we use, we have very high production of T-cells. We hope we can have a durable vaccine that protects for a long period of time.”
“So whether we will need a third booster or not remains unclear, only time will tell.”
Soriot added that the only way to tell if a booster shot is really needed is to see if the vaccine’s efficacy decreases over time.
“We know that (our vaccine) has decreased antibody (over time). We haven’t seen a decrease in efficacy but it’s a bit early to assess and I’m hopeful that T-cells will provide this long-lasting, long-lasting protection.”
Previously another Covid-19 vaccine manufacturer, Pfizer, said that his company firmly believed that humans needed a booster dose due to the body’s antibodies fading over time as well as the widespread development of the Delta Variant.
“We are very, very confident that the third dose of the vaccine will provide sufficient immunity to protect against the more rapidly spreading delta variant of Covid,” said Pfizer CEO Albert Bourla.
Bourla even added that there was a reduction in the efficacy of his vaccine within a few months after the injection.
“The efficacy of the vaccine drops to about 84% four to six months after the second dose,” he explained.
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