Pharmaceutical companies such as Pfizer have added a vaccine that corresponds to the Omicron strain "BA.5" of the new coronavirus. We announced the results of a test that the effect of neutralizing antibodies that suppress the action of viruses increases.
On the 18th, pharmaceutical companies such as Pfizer announced the results of a test to see how effective a vaccine for the new coronavirus Omicron strain ``BA.5'' is against other mutant strains.
In the test, we measured how the value of the neutralizing antibody that suppresses the action of the virus changed before and after the booster vaccination.
As a result, for the mutant strain "BQ.1.1", which is spreading in Europe and the United States,
the vaccine corresponding to "BA.5" is 8.7 times higher, and the
conventional
vaccine is 1.8 times higher.
The response vaccine was more effective.
In addition, it was confirmed that the vaccine corresponding to "BA.5" is more effective than the mutant strain "BA.4.6".
Pfizer says, ``This vaccine may be more effective in preventing infection against new mutant strains that are increasing in infected people.''
"BQ.1.1" is currently spreading in Europe and the United States, and according to the CDC = Center for Disease Control, it is estimated that 24.2% of the total were infected in the United States in the week until the 19th.