Vaccines and COVID-19 variants: the facts you need to know - #RAZOR
Razor • 4m 41s
💉 Vaccines have been a remarkable success story of the COVID-19 pandemic. A range were rolled out in just a year with clinical trial data suggesting very high levels of effectiveness against SARS CoV 2 infection. However, they have a chink in their armour: variants.
At the beginning of 2021, the Alpha, Beta and Gamma variants were all identified though lab studies showed that only a small degree of vaccine protection was lost in the face of them. However, the arrival of the Delta variant is causing scientists to fear there may be another deadly wave of the pandemic.
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