In March 2021, China has approved a new COVID-19 vaccine for emergency use. The vaccine was developed by which of the following?

Anhui Zhifei Longcom Biopharmaceutical Co. Ltd.

In March 2021, China has approved a new COVID-19 vaccine for emergency

1.	In March 2021, China has approved a new COVID-19 vaccine for emergency use. The vaccine was developed by which of the following?
A.	Anhui Zhifei Longcom Biopharmaceutical Co. Ltd.
B.	Chinese Academy of Sciences
C.	Lepu medical
D.	Both 1 and 2
E.	All 1, 2 and 3
Answer» E. All 1, 2 and 3