Clinical trials for a potential Covid-19 vaccine are under way in the United States
Clinical trials for a potential Covid-19 vaccine are under way in the United States
9 April 2020
Seattle man Ian Haydon is one of the first human volunteers.
He's been given a trial vaccine - and his symptoms will be monitored over the next 14 months.
He says so far, so good.
Haydon says this vaccine differs from others in containing a piece of genetic code - rather than a protein from the virus.
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