Discovery

From flight bans and entry bans to compulsory quarantine and virus testing, most countries have introduced travel restrictions in an effort to control the spread of the virus. But for a virus that knows no borders, do cross-border health measures actually work?Claudia Hammond and her panel of global experts answer listeners’ questions and discuss the very latest science about the use of border controls in this pandemic.The countries we can all learn from, researchers say, include Singapore, Australia, New Zealand, Taiwan, Vietnam, Thailand and South Korea. Their border policies are said to be consistent and, crucially, integrated with strong domestic public health measures.So while we wait for vaccinations, it seems an international vaccination passport will be rolled out very soon, maybe as early as Spring. A digital passport – a golden ticket to travel – could give privileged access to those who have been inoculated. But what are the ethical and scientific concerns of such a move? The panel with the answer