Prime Minister Boris Johnson gives daily COVID-19 press briefing

The video discusses the challenges of managing a virus that is invisible and emphasizes the importance of identifying carriers through testing. It highlights the potential of a new antibody test, likened to a pregnancy test, which could be a game changer if successful. The video also outlines plans to significantly increase testing capacity to better manage the disease and reduce economic disruption.

Why is the crisis described as difficult due to an 'invisible enemy'?

What are the expected outcomes of knowing one's vulnerability to the virus?