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What invention — which was awarded a Nobel Prize nearly 20 years ago— played a great role in addressing the COVID-19 pandemic?

The polymerase chain reaction (PCR) method. The Nobel Prize in Chemistry 1993 was awarded “for contributions to the developments of methods within DNA-based chemistry” jointly with one half to Kary B. Mullis “for his invention of the polymerase chain reaction (PCR) method.” Source: nobelprize.org 


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