A research company in partnership with Oxford University has also expressed hope that the vaccine will be ready by the end of the year. According to media reports, it will be a challenge to prepare a large number of doses after making the vaccine. It should be noted that more than 100 laboratories around the world are engaged in the development of Corona virus vaccines, of which only 10 have reached the stage of clinical trials so far. In this regard, experts say that it will not be possible to make a vaccine for corona virus by the end of this year.
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