Issues in production of Russia’s Sputnik V have impacted the availability of doses for vaccination target set by the Indian government to vaccinate all above 18 years by December 2021. Sputnik V has hit a roadblock in the development of the second dose of its Covid-19 vaccine. Sources in the government have said that the Russian vaccine maker is facing manufacturing issues in producing the second component (AD5) of the adenovirus vector-based vaccine.

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