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Two new strains of “Covid Vaccine” can reduce illness and death by 81-86% from the old version, Dr. Chalermchai reveals the latest information from the Israeli study report.
covid vaccineIs an important weapon to prevent infection with COVID 19, currently there are more than 1 type to choose from, known as the 1st generation vaccine
However, the latest development The new “Covid Vaccine” is effective in preventing new strains of COVID.
Dr. Chalermchai Boonyaleephan (Dr. Chalermchai), Vice Chairman of the Public Health Commission of the Senate, posted a private blockdit “hundred eight thousand and nine with Dr. Chalermchai” with the message that
After we have the 1st generation vaccine made from the original Wuhan virus strain. It has been used since the end of 2020.
and can cope very well in preventing infection in the early stages Subsequently, coping with Omicron infection has decreased. But it can also moderately reduce the severity and mortality.
therefore has accelerated developmentsecond generation vaccine or type 2 using the Wuhan virus and filled with Omicron virus subspecies BA.1
Dr. Chalermchai also said that in the beginning, the results of the study were slightly better. Production was discontinued due to the BA.1 virus becoming extinct.
It was later changed to the ba5 omikron substrain, and the second-generation 2-strain vaccine is now Wuhan plus the ba5 omikron substrain.
The early study in the United States It was found that the efficacy of the vaccine was not different from the first generation.
and later it was reported that If the 2-strain vaccine is injected 3 months away from the previous dose, the immunity will be 20-31% higher than the 1-strain vaccination.
But if injecting the 2-strain generation, 8 months away from the previous dose, the immunity is 43-56% higher than the 1-strain generation.
Causing some people to be disappointed with the 2-strain vaccine and suggested that
When it’s time for the booster vaccination No need to wait for the 2-strain vaccine to inject the 1-strain immediately.
Recently, there is an Israeli study report. It was found that the bi-strain vaccine reduced severe illness requiring hospitalization by 81% and reduced deaths by 86%.
in short
1. Vaccine to prevent the new generation of COVID. or the second generation or two strains, consisting of the new Wuhan virus strain combined with the BA.5 omicron substrain.
2. At least 3 studies reported different results.
- since the 2 strains of the vaccine are not different from the 1 strain
- Two strains of vaccine are slightly better than one strain.
- Bi-strain vaccine is much better than single-strain vaccine.
Therefore, we have to wait for additional studies that will gradually come out.