But the speed at which the vaccine is being pursued - vaccines normally take 10 to 15 years to develop - may increase the likelihood of unforeseen problems. Shenzhen Kangtai Biological Products, based in the city of Shenzhen, will increase capacity to 200m per year by the end of 2021. Professor Terry Nolan from the University of Melbourne, said it was entirely plausible the volunteer had suffered transverse myelitis (TM) as a direct result of the vaccine. Brazil is currently in one of the worst Covid-19 crises in the world with more than 3.6million official cases so far and 114,000 deaths. Australia Australia has confirmed it ordered enough doses of the vaccine to give one to its entire population of 25million people.
Over a million people have already received the vaccine.
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Over a million people have already received the vaccine .
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