- English as a Second Language (ESL)
- Science
- Edad 15+
-
level: FIRST CERTIFICATE B2
- English
Instrucciones del autor
Watch the video about the three key phases of developing a new vaccine: exploratory research, clinical testing, and manufacturing. Answer the questions proposed by TED-ed
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Instrucciones del autor
Watch the video about the three key phases of developing a new vaccine: exploratory research, clinical testing, and manufacturing. Answer the questions proposed by TED-ed