The Delta variant of COVID-19, or the B1.617.2 variant first identified in India, is around 40 per cent more transmissible than the Alpha or so-called Kent variant of concern (VOC), UK Health Secretary Matt Hancock said on Sunday.
UK Health Secretary Matt Hancock on Sunday said that a system of proof of coronavirus vaccination will be developed by the government in order to facilitate international travel but there are no plans to use it domestically.