As the sixth most valuable pharmaceutical brand in the world, it is little surprise that US healthcare heavyweight Pfizer has taken numerous steps over the past few months to aid the global response to Covid-19 in any way it can.

After issuing a proverbial call to arms to the rest of the biopharma industry in March, it has also donated $40m towards combatting the virus’ impact and entered into a partnership with German biotech firm BioNTech to develop a novel coronavirus vaccine.

And, with Pfizer revealing the first US clinical trial participants had been dosed with an mRNA-based vaccine earlier this week, we take a closer look at how the American company behind brands such as Xanax, Viagra and ChapStick has responded throughout the pandemic.

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