Sputnik Light is the single-shot version of the two-dose Sputnik V coronavirus vaccine developed by Russia. It was found to be around 80 per cent effective against the novel coronavirus. This is much lower than the two-shot version, whose efficiency is 91.6 per cent. This vaccine has the potential to double the vaccination rates and reduce the impact of the COVID-19 pandemic. It was recently authorised to be used in Russia.
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