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MRNA vaccines are now in the limelight as a key tool for tackling COVID-19, but the technology was originally developed for other diseases, such as cancer, that researchers are now hoping to treat
COVID-19 vaccines: The new technology that made them possible Yasemin Saplakoglu © Provided by Live Science An illustration of an RNA molecule. Days before her 91st birthday, Margaret Keenan became the first person in the world to receive the Pfizer-BioNTech COVID-19 vaccine outside of clinical trials. Keenan, who was sporting a polka-dot cardigan over a festive shirt, was given the first dose of a two-dose vaccine at the University Hospital Coventry in England, setting off the first mass vaccination effort against a virus that has now infected at least 70 million people ...