Why a third dose of Pfizer will not yet be applied in Mexico

Hugo López-Gatell Ramírez, Under Secretary for Prevention and Health Promotion, reported during the presentation of the progress of COVID-19 that Russian vaccine application Sputnik V could vary, as could Pfizer.

The public official recalled that many vaccines for different diseases require boosters to enhance effectiveness against viruses and bacteria responsible for different diseases.

The above, taking into account the information relating to the possibility of apply a third dose of Pfizer-BioNTec vaccine as reinforcement, which circulated in the media and the epidemiological sector.

In this sense, he said that there is no scientific evidence defining the term of protection vaccines available against the SARS-CoV-2 virus; So far, we know it’s up to eight months.

However, revealed that pharmaceutical companies and studies continue to advance to know the behavior from each biological to the changes that the virus might exhibit.

On the other hand, he reported that the Russian vaccine currently consists of a mixed composition wherein the first dose is one formulation, while the second dose is different, and they complement each other.

The first dose revealed is made with adenovirus type 26 and the second with an adenovirus type 5. This, he explained, makes the vaccine particularly useful as it multiplies its potency.

In addition, he assured that the National Research Center of Gamaleya epidemiology and microbiology, located in Moscow, found that with the first dose, high immunity is obtained, “In such a way that it is possible that they propose to switch to a single dose in Mexico.” This solitary dose could be called Sputnik Light.

This, however, is not yet officially established, but Mexico has already received the proposal to change the wording recognized in the country by the competent authorities.

In addition, he recalled that the federal government is in negotiations with the Russian Fund for Direct Investments and the Gamaleya Center, so that Mexico can have the necessary supplies to package the Sputnik Light vaccine, in our country, which contains the same components as the Sputnik V vaccine.

However, he assured that for now, the vaccine will continue its application as usual and highlighted the fact that all vaccines in Mexico that officially arrive are safe, but above all effective.

On the other hand, he revealed that people aged 50 to 59 living in localities without internet access will be able to go to vaccination centers with your ID and proof of address to receive the COVID-19 vaccine without the need to register online.

At the head of the press conference on the pandemic situation, he said that in regions without internet access, members of the Roadrunner Brigades are the ones that register people receive the vaccine.

He announced that until this morning 4.6 million people aged 50 to 59 have registered via the platform to access the vaccine against the SARS-CoV-2 virus.

This Wednesday, April 28, with cutoff at 9:00 p.m. 369 thousand 760 doses were applied to public and private health workers, education personnel in five states, and persons aged 60 and over, for a total of 17 million 357,000 993 inoculated doses.

He also indicated that The aim of immunization of educational staff is to ensure that under conditions of low epidemic activity, face-to-face lessons can be re-established.

He clarified that practically all people over 60 who have decided to be vaccinated have been vaccinated. Since last December 24, six million 752 thousand 282 people have a complete diet and are protected from COVID-19.

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