Domestic vaccine expert Tao Lina told the “Daily Economic News” reporter that the existing domestic vaccines are mainly aimed at the original strain and delta strain. From the concentration of neutralizing antibodies and the cases of various countries, the immune effect of the vaccine on Omicron should be effective. So it may not make much sense if the existing vaccine is used as the fourth shot.
After the international vaccine giants Pfizer and Moderna successively said that they had submitted applications to the FDA for the second “booster shot” of the new crown vaccine, the trend of domestic new crown vaccination strategies has attracted much attention. However, in the opinion of industry experts, its determination and implementation still need to look forward to the emergence of new vaccines.
Domestic vaccine expert Tao Lina told the “Daily Economic News” reporter that the existing domestic vaccines are mainly aimed at the original strain and delta strain. From the concentration of neutralizing antibodies and the cases of various countries, the immune effect of the vaccine on Omicron should be effective. So it may not make much sense if the existing vaccine is used as the fourth shot.
“If the fourth shot is to be administered, it is likely to use a second-generation (technology) vaccine, that is, a separate vaccine designed for Omicron, or a combination vaccine that includes the previous one.” Tao Li Na said.
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