The characteristics of Johnson & Johnson's new crown pneumonia vaccine are that it only needs to be given 1 dose and has high-index antibodies. On the 21st, the group issued a statement stating that if booster shots are administered 6 months after the first dose of Johnson & Johnson vaccine, the antibody level will increase by 12 times.
According to the " Associated Press ", as the Delta variant strain spread across the country, many governments have considered allowing people to receive boosters for the new crown vaccine. Johnson & Johnson Group said yesterday that after receiving the Johnson & Johnson vaccine, the second dose of the additive will be given about 2 months after receiving the Johnson & Johnson vaccine, and the level of virus antibodies in the body will rise 4 to 6 times; and after applying the additives after 6 months after receiving the first dose, the antibody will increase 12 times.
Jiaoshen Group said that the method of inoculation for 2 doses was 75% globally for preventing moderate to severe efficacy and 95% in the United States. They analyzed that this may be the difference caused by the prevalent variants in various countries during the study period. Paul Stoffels, chief of scientists at
, pointed out in a statement that "additives can further enhance the protection against COVID-19 and are expected to significantly extend the duration of protection."
It is reported that taking the United States as an example, one dose of Johnson & Johnson vaccine can maintain effectiveness for up to 8 months. The latest data shows that even for the highly contagious Delta mutant strain, the Johnson & Johnson vaccine has a protective power of up to 79% and 81% for preventing severe diseases.
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