in bangladesh are leading a major drive to increase the number of people being vaccinated against covid 19. the country hopes to vaccinate 3.2 million people in a just week, as it battles the latest surge in cases. bangladesh's national lockdown has been extended until august 10. 0ur south asia correspondent danjohnson is in delhi, and he said that the spread of the delta variant is a huge challenge. that variant is sweeping across the country, particularly in the last few weeks. there have been 22,000 covid deaths in bangladesh since the start of the pandemic, but one quarter of those happened injuly, things have been getting bad in the last few weeks, intense pressure on hospitals and emergency services. that is why the authorities have taken the step to ramp up the vaccination programme. 0riginally vaccination programme. originally the aim was to vaccinate 10 million more people this week. they have