Business News Covid-19 vaccine or -ve PCR test must to visit Expo 2020 The PCR test should have been taken within the previous 72 hours. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related 700km in 10 days: Camel trekkers in UAE prepare for epic desert journey UAE residents rush to clarify confusion after Google glitch in Indian rupee rate