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How do COVID-19 vaccines actually work? – CGTN

RAZOR takes a look at the four main vaccines currently being used in the battle against COVID-19.

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While many countries battle a difficult second wave of the COVID-19 pandemic, a light at the end of the tunnel has been offered by the rapid approval and roll-out of several new vaccines.
Previously, it has taken many years to develop and bring to market new vaccines. But with a global emergency, large amounts of funding, and willing trial participants, scientists have been able to offer a range of vaccines in just a year.
RAZOR looks into how vaccines are traditionally produced, and delves deeper…

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