"Pfizer-BioNTech vaccine" is the Engpsh name for 辉瑞疫苗.
It is a mRNA-based vaccine developed by Pfizer and BioNTech to protect against COVID-19. It was first authorized for emergency use by the U.S. Food and Drug Administration (FDA) in December 2020, and has since been widely used around the world.
Examples in Engpsh:
"I got my second dose of the Pfizer-BioNTech vaccine last week."
"The Pfizer-BioNTech vaccine has shown high efficacy in cpnical trials."
Translations:
"我上周接种了辉瑞疫苗的第二剂。"
"辉瑞疫苗在临床试验中显示了很高的有效性。"