After the application of 1 dose, the Sputnik V vaccine was 78,6% effective to prevent infections by the virus Covid-19 in the elderly in the city of Buenos Aires. The information comes from the preliminary study released on Wednesday (2) by the Argentine government.

The application of the 1st dose of the vaccine was registered by the Russian Direct Investment Fund (RDIF, its acronym in English) under the name of Sputnik Light, being a way to speed up the immunization process without the need to apply two doses.

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O study Argentine monitored more than 180 residents of the capital of Argentina and also of the metropolitan region between December 2020 and March 2021. In addition, the results were not published in a scientific journal.

Furthermore, it was the first carried out outside the Russia which followed the application of vaccines in a more realistic scenario. Earlier, a survey found 79,4% effectiveness in Russian patients.

"The study indicates an effectiveness of 78,6% to prevent cases of Covid-19, 84,7% to prevent deaths and 87,6% to reduce hospitalizations in people aged 60 to 79 years," reported the government of Buenos Aires, through a note.

The process involved 186.581 people aged between 60 and 79, who were followed up by health authorities. Patients were vaccinated between December 29, 2020 and March 21, 2021. Of the total, 40.387 volunteers received the 1st dose of the vaccine during this period and 146.194 were not immunized, just for comparison.

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