Expert warns against deleting NHS app to avoid 'pings'

The transcript discusses the emergence and spread of COVID-19 variants, particularly Delta, and the impact of immunity on virus evolution. It highlights the importance of apps and testing in managing the pandemic and detecting new variants. The current trends in COVID-19 cases, hospitalization rates, and public health measures are also examined, emphasizing the need for sustainable strategies to control the virus without resorting to severe lockdowns.

Why is it important to test vaccinated individuals who show symptoms?

What challenges do countries face in managing COVID-19 cases with the emergence of new variants?