In this article A researcher works in the lab at the Moderna Inc. headquarters in Cambridge, Massachusetts, US, on Tuesday, March 26, 2024. Adam Glanzman | Bloomberg | Getty Images The Covid-19 pandemic turned Moderna and BioNTech into household names almost overnight. Now the two companies are on different paths. Both Moderna and BioNTech helped pioneer mRNA, or messenger RNA, technology. Moderna staked its entire identity around mRNA, while BioNTech saw it as one piece of a broader portfolio focused on im ...