‘Unbelievable’: scientist whose work led to Covid-19 vaccines from Pfizer and Moderna gives vent to years of frustration

Hungarian-born scientist Katalin Kariko’s obsession with researching a substance called mRNA to fight disease once cost her a faculty position at a prestigious US university, which dismissed the idea as a dead end.Now, her pioneering work – which paved the way for the Pfizer and Moderna Covid-19 vaccines – could be what saves the world from a 100-year pandemic.“This is just kind of unbelievable,” she said in a video call from her home in Philadelphia, adding she was unused to the attention…

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