On March 17, 2020, the American pharmaceutical company Pfizer announced a partnership with the German company BioNTech for the joint development of an mRNA-based vaccine.
Tarehe 17 Machi 2020, Kampuni ya Marekani ya Bidhaa za famasia Pfizer ilitangaza ushirikiano na kampuni ya Ujerumani ya BioNTech ili kwa pamoja kuunda chanjo inayotegemea mRNA.