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Articles sur COVID-19

Affichage de 1701 à 1720 de 7973 articles

After taking a pandemic-induced hiatus in 2020, Lollapalooza returned to Chicago in summer 2021. Michael Hickey/Getty Images

What’s behind the magic of live music?

Some concertgoers reported being so moved by their first concerts in nearly two years that they wept with joy – a testament to the power of this unique form of human communion and connection.
A mural in Rome depicts a white dove parachuting vials of COVID-19 vaccine. Several COVID-19 vaccines are based on a viral vector developed by Canadian Frank Graham decades ago. (AP Photo/Gregorio Borgia)

How the puzzle of viral vector vaccines was solved, leading to today’s COVID-19 shots

Viral vectors are modified viruses that trigger an immune response without causing infection. The vector that’s used in several COVID-19 vaccines was created decades ago by Canadian Frank Graham.

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