Long-term effectiveness of Russian Sputnik V jab revealed – rt russia and ex-soviet union

The Russian-made Sputnik V Covid vaccine has shown high long-term efficacy, according to data collected in San Marino. The jab remains about 80% effective against the disease six to eight months after it is administered.



The data was revealed on Wednesday by the Russian Direct Investment Fund (RDIF), the sovereign wealth fund that financed the development of the vaccine.

The evaluation of vaccine performance is based on the analysis of real world experience obtained in the Republic of San Marino. About 70% of the micro-state’s 34,000 residents have received the Russian-made vaccine.



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“The data is based on the number of Covid infections in San Marino in November 2021. Efficacy was calculated based on data obtained from over 18,600 people fully vaccinated with Sputnik V at least five months prior November “, RDIF said in a statement.



Analysis shows that the vaccine remained “80% effective against coronavirus infection six to eight months after administration of the second dose. “ Hospitalization rates among Sammarines who have been vaccinated with Sputnik V have been extremely low, with “Only 0.75 per 1,000 people” meet in hospital during the mass vaccination campaign from February to November 2021. “This rate is more than twice that of any other vaccine used in the country”, noted the RDIF.

“The efficacy of Sputnik V in 6 to 8 months is much higher than the officially published efficacy of mRNA vaccines. “ the fund added.

Numerous studies have sounded the alarm on the decrease in effectiveness of mRNA vaccines, the American vaccine Pfizer in particular faring rather badly over a long period. According to a to study, funded by Pfizer itself and published in leading medical journal The Lancet, the jab has been shown to be 88% effective in the first month after full vaccination, dropping to just 47% after five months. The study was based on the analysis of a large amount of data, collected during vaccination campaigns in the United States.

A competing mRNA vaccine, the Covid-19 vaccine from Moderna, another US company, has apparently shown significantly better long-term efficacy than Pfizer’s vaccine. According to the company’s own claims, the jab remains around 93% effective six months after the full vaccination, compared to an initial effectiveness of 94%.

These estimates were corroborated by research from the United States Centers for Disease Control and Prevention (CDC). Research has shown that the effectiveness of the Pfizer vaccine fell from 91% to 77% during the 120-day period after vaccination, compared to Moderna’s stroke showing a drop from 93% to 92% over the course of the vaccine. same period.

An analysis of the effectiveness of mRNA injections over a longer period of time, however, gave worrying results. According to a study, based on data from nearly 800,000 American veterans and published in the journal Science earlier this month, the Pfizer and Moderna jabs showed a significant drop in their effectiveness over a period of 7 months. While efficacy against the disease was around 89% for Moderna and 87% for Pfizer in March, it fell to 58% and 43% respectively in September.

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