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How Close Are We to a Coronavirus Vaccine?
A vaccination would provide protection by training immune systems to fight the virus but how easy is it to create one?
The coronavirus spreads easily and the majority of the world's population is still vulnerable to it.
A vaccine would provide some protection by training people's immune systems to fight the virus so they should not become sick.
But how easy is it to create a vaccine? And when could we expect one to be ready?
大象传媒 health correspondent Laura Foster looks at the situation.
