OTTAWA : Canada launched a real-time review of data from AstraZeneca and Oxford University's potential COVID-19 vaccine on Friday, the latest country to speed up its approval process.As the battle against the coronavirus pandemic intensifies, with infections and deaths still rising, Canada's health ministry said it had received its first submission for authorisation for the vaccine on Thursday.The aim of a rolling review is to accelerate the process and last month, Canada's health minister Patty Hajdu signed an order allowing companies developing vaccines to submit safety and efficacy data and information as they become available.The European Union's health regulator on Thursday also started a rolling review of the first batch of data for.