Backlash over decision to reimpose travel restrictions between the UK and Spain.

The transcript discusses the challenges of quarantine during the COVID-19 pandemic, highlighting the surprise decision to quarantine travelers from Spain. It suggests testing as a viable alternative to blanket quarantine measures, with Heathrow proposing PCR tests for international arrivals. The text also reviews international testing practices, emphasizing the importance of timing for effective testing. Finally, it addresses travel adjustments and the inherent risks of traveling during a pandemic.

Which countries have already adopted COVID testing on arrival for passengers?

What is the main concern regarding the timing of testing for travelers?