The experimental vaccine is drawing scrutiny after a participant in clinical trials was...
More about 'covid-19-vaccine'
AstraZeneca vaccine trial suspended in US amid concerns over serious complication
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After their first coronavirus vaccination, people will need a second shot a few weeks...
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Don't hold your breath for a coronavirus vaccine. Here are 7 big challenges we need to overcome
Creating a coronavirus vaccine is just half the battle. To stop the pandemic, we then...
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