Coronavirus: “It is time to activate the third dose for health teams”

We all remember that it was during the first months of this year that vaccination began in our country and that the most exposed health workers were the first to receive the vaccine of Russian origin, Spuknik V.

This process worked smoothly and soon most of those who decided to get vaccinated completed the schedule with their second dose.

As we know, the results have been widely satisfactory in terms of safety and efficacy, with very few cases of infections reported in the sector and much less those with severe characteristics.

Being in front of a sick person is no longer so serious and the risk of contagion together with the inevitable stress is carried out with much less pressure compared to the previous year where there was only a complex clothing as the only defense against the virus. We all respectfully remember those who gave their lives to take care of us.

In those months, vaccinations also began for people at the highest risk, mainly very old adults.

Seven months after being immunized and given the known presence of mutations with the possibility of eluding the protection obtained, we frequently receive concerns about the duration of protection, the convenience or not of a third dose and the certain feasibility of obtaining it.

I would add a few more questions. Why do the highest health authorities say that it is not the time to talk about the 3rd dose in our country? If the provisions of the case are not taken, could the health teams find themselves in the same vulnerable conditions as the previous year?

Some responses are emerging from the highest health authorities in the United States who have recently published a worrying Joint Resolution.
The FDA, CDC and e. NIH have clearly stated that “the current protection against serious illness, hospitalization and death could decrease in the coming months among those who were vaccinated during the first phases of the launch of the vaccines. and that there is already sufficient evidence that protection against SARS-CoV-2 decreases with time and the presence of new viral variants.

The report’s conclusion strongly recommends “A booster injection of mRNA vaccines to maximize the protection induced by the vaccine and prolong its durability. starting eight months after the second dose ”.

On the other hand, it was recently announced from the Gamaleya Center. As a consequence of the very high incidence of infections with Delta in Russia, that its vaccine is very effective against the Delta variant but has not said anything, to my knowledge, about its durability.

An Argentine study carried out at the Leloir Institute Foundation has recently been published which ensures that although the amount of antibodies generated after vaccination decreases after a certain period, at the same time there is an increase in the neutralizing power against SARS-CoV-2 original and its variants depending on the time the vaccine was received.

The debate has started and will surely continue. I only hope that the decisions made in our country be made in a timely manner so that our health teams and the most vulnerable are not once again the first to fall.

The author is Head of the Medical Clinic Service of Hospital Escuela Eva Perón

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