1. Immunity created by the first AZ shot prevents the second shot from being effective (overall efficacy of only 55%) unless there is a wait of 3 months
2. Sputnik V solves this elegantly through heterogeneous boosting (using a different second shot)
3. Using Sputnik V shot as a second shot for AZ vaccine will eliminate the need to wait for 3 months. Clinical trials of this approach have already started.
4. Sputnik V has offered its second shot to AstraZeneca and to other vaccines with efficacy below 90%.
5. Together we are stronger! (Particularly if we use two different vaccine shots as pioneered by Sputnik).
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In response to EU leadership question on why #SputnikV vaccine is offered to EU while vaccination in Russia is not yet complete:
1. Mass doses of Sputnik V for Europeans have been offered after EMA approval and after mass vaccination in Russia is complete in June, 2021. This timeline can be accelerated by engaging EU production facilities that are waiting for EMA approval.
2. In the meantime, Russia will supply doses to Hungary and some other EU nations that decided to order Sputnik V directly
7 facts about the mass scale #SputnikV vaccination in light of publication of many misinformed articles that have been appearing in the media since the start of mass scale vaccination in Russia.
[1/7] Currently, there are only 4 vaccines in the world that published phase 3 results in this order: Pfizer, Sputnik V, Moderna, AstraZeneca. #SputnikV has significant advantages in Safety, Efficacy, Price and Logistics.
[2/7] As of now, Russia, China and UAE are the only three countries in the world that vaccinate people outside of clinical trials.