The world is still in the race for a vaccine to stop the covid-19 pandemic. While medical experts doubt "Sputnik V", the vaccine registered by Russia this Tuesday, which has only reached phase 2, other laboratories announce that their developments are in phase 3. We explain what the different phases are for the approval of a vaccine.
What does it mean for a vaccine to be in phase 3?
2020-08-13T11:52:23.944Z
The world is still in the race for a vaccine to stop the covid-19 pandemic. While medical experts doubt "Sputnik V", the vaccine registered by Russia this Tuesday, which has only been ...
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