Tuesday, February 23, 2021

Acad. Petrunov: People’s worries that they do not have a choice of vaccine are unfounded


There is no better or worse vaccine. All three are approved under conditions of high safety and high immunogenicity. Astra Zeneca has a lower immunogenicity – between 68 and 80%, but this is very conditional, while Pfizer and Moderna have about 90-95%. This was stated by the immunologist and allergist Acad. Bogdan Petrunov to BNT.

According to him, the important thing is that all three vaccines create immunity for about 8-12 months.

“The development of antibody immunity until the third month is very strong, then begins to decline, but cellular immunity continues and it is very active. The development of immunity begins no earlier than the 14th day after the first dose. If by then a person get sick, will obviously pass the disease more easily “, the immunologist was categorical.

This influx of vaccination, in his words, is a typical psychological reaction and the decision for mass vaccination is very correct and correct, for people to feel free wherever and whenever they want, to be immunized. The number of people who want the vaccine, regardless of the stage of the people, will increase, the academician believes.

People’s worries that they have no choice of vaccine, are not justified, Petrunov believes.

“The choice of vaccine is not so much a personal problem. It is a problem of the doctor, the specialist who will tell you with your disease according to the brief characteristics of the vaccine, it is more appropriate to be immunized with this or that vaccine. us, there is no difference in the indications for a certain group of people, so you can easily use each of them in all categories of patients with side effects and in all other completely healthy people, “said Academician Petrunov.

He recommends that pregnant women, nursing mothers and children under 12 years of age not be vaccinated until they have undergone clinical trials. There is also not enough data on the elderly over the age of 65, but each country is doing its own research.

Regarding the side effects of vaccination, he explained that they are an inflammatory reaction of the body that reacts with fever and headache, as “Astra Zeneca” gives more type of similar reaction, but is still equivalent to those of “Pfizer” and “Modern”.

The specialist also commented on Russian vaccines. For the time being, there is evidence that the Sputnik vaccine gives a lot of side effects, which is why Sputnik Light is made. The other, which is made with a live virus, that of the Chomakov Institute, is different, but it has not even been approved by the Russian authorities. Russia is currently working on a protein vaccine using part of the virus’s protein.

He recommended that protein vaccines not be used for people with allergies, for others any other approved vaccine could be safely administered.

There is evidence that vaccines will probably protect you from the spread of the virus, but so far there is not enough information to support such a view, it will probably happen by the end of the year, said the immunologist:

“A vaccinated person can safely carry the virus, spread the virus and get the virus, but he will not get seriously ill, or will not get sick at all. So far, the data are very optimistic in this direction. The first data show that the vaccine is really likely to give possibility of not spreading the infection. “

If you are vaccinated with the first dose, but give up the second, the first does not make sense. Low immunity is created, but it will subside very quickly because the second dose is very important. He advised everyone who received the first dose to be vaccinated with the second.

According to Acad. Petrunov, it is unnecessary to test a person for antibodies first and then go to be vaccinated. Antibodies do not determine whether to immunize or not, they do not determine your immune status definitively – he was adamant.

There is no problem for people to be immunized immediately after the illness, but you can wait 2-3 months.

Why the flu did not come this year – Acad. Bogdan Petrunov explained that this is an interesting phenomenon that will be studied, but “it is not clear yet why.” He doesn’t remember this type of flu delay so far.



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