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#viral vector technology

A woman receives a dose of the Pfizer-BioNTech vaccine against COVID-19 in Texcacoac, Chiautempan, Tlaxcala state, Mexico. Photo: Pedro Pardo / AFP
A woman receives a dose of the Pfizer-Bi... […]

Global hits, local heroes: Covid-19 jabs around the world

More than six billion doses of anti-Covid vaccines have been given around the world. This is an overview of more than 20 approved vaccines currently in use, and a few that fell by the wayside