The two companies are currently splitting profits on the Covid jab evenly, with sales expected to return roughly £13billion this year. Scientists say mRNA vaccines are cheaper to make and easier to modify in the face of new variants or viruses. Pfizer/BioNTech's Covid jab was the first ever mRNA vaccine to get approval for fighting any disease. Rival American firm Moderna has also created an mRNA jab proven to thwart coronavirus. Pfizer's boss said it has become self-sufficient after learning how to produce mRNA vaccines itself, without relying on suppliers.

Source: The Nation March 29, 2021 15:56 UTC