India halts vaccine exports

India has suspended all major exports of the AstraZeneca Covid vaccine after a surge in infections. As the EU also tightens controls on shipments of the jab, we ask how the restrictions could affect the global supply of vaccines. Also on the programme: A huge container ship has run aground in Egypt's Suez Canal - blocking one of the world's most important shipping routes; And could a quick saliva test help detect concussion injuries in sport? (Photo: A nurse displays a vial of AstraZeneca"s COVISHIELD vaccine, at a medical centre in Mumbai, India, January 16, 2021. REUTERS/Francis Mascarenhas)