Tag Archives: Pfizer

The choice of vaccines by countries has thus become the epitome of global geopolitics. And this is not an empty phrase. The US Department of Health and Human Services admitted that it used "diplomatic relations" in order to force Brazil, one of the worst-hit countries in terms of the COVID-19 pandemic, to reject the Russian coronavirus vaccine Sputnik V. 

The Oxford vaccine, based on a viral vector, is also cheaper (around US$4) than Pfizer and Moderna’s mRNA vaccines – around US$20 and $33, respectively. AstraZeneca has made a “no profit pledge”.