Priti Patel speaks at daily coronavirus briefing from Downing Street

The video emphasizes the importance of remaining alert to save lives and prevent a second wave of the virus. It announces new public health measures, including a 14-day self-isolation requirement for international arrivals, to protect progress made against the virus. The timing of these measures is crucial to their effectiveness, as passenger arrivals have significantly decreased. The video highlights the need to guard against imported cases that could trigger a resurgence, especially as the transmission rate falls and travel increases. New arrivals with the virus could have a significant impact, potentially causing a second wave.

Why is it important to protect the progress made in controlling the virus?

What is the significance of the incubation period of the virus in relation to public health measures?