Professor Jonathan Van-Tam speaking at Downing Street press conference

The video discusses the announcement of a significant scientific breakthrough by Pfizer Biontech regarding a new vaccine. It acknowledges the contributions of clinical trial volunteers and scientists. The speaker emphasizes the importance of the breakthrough while advising caution and explaining the next steps, including the need to review safety data. The video highlights that safety is paramount, even more so than the vaccine's effectiveness.

What recent announcement did Pfizer Biontech make?

• A new type of medical equipment

• A significant breakthrough in vaccine development

• A new treatment for a common cold

• A merger with another pharmaceutical company

Why does the speaker emphasize caution despite the exciting vaccine news?

• Because the vaccine is not effective

• Because the vaccine is only for a specific age group

• Because the safety data is not yet available

• Because the vaccine is too expensive

What is the next step after the announcement of the vaccine's effectiveness?

• To distribute the vaccine globally

• To start new clinical trials

• To announce another vaccine

• To review the safety data

How many volunteers participated in the major trial mentioned?

• 50,000

• 44,000

• 22,000

• 10,000

According to the speaker, what is more important than vaccine effectiveness?

• Cost of the vaccine

• Speed of distribution

• Safety of the vaccine

• Public opinion