asia, is about the size of iowa but hass 50 timesny people. that makes containing coronavirus a huge challenge. as does e recent influx of a million refugees from neighboring myanmar. special correspondt fred de samaro reports on efforts by one banglaedshi non-gornmental group trying to tackle the problem. it's part of his series, agents for change. >> reporter: testing is only now ramping up in bangladesh, so the 20,000-odd covid cases and 300 deaths reported so far couldly rise significan the days ahead.ll that's espectrue in dhaka, a bustling, chock-a-block capital city, home to more than 20 million people like the rest of the country, dhaka has been in lockdown since late march, squeezinople into even less space. the infection control challenge s plain to see. there's so little stancing when or hand-washing when most homesr >> wtrying to plug holes in the public healthcare system to support the government. >> reporter: from my home in minnesota, i reached asif salehi the bangladesh rural advancement committee or brac, government aid grot non- brac plans to set up 600 testing kiosks across the country and is working with the military to expand quarantine facilities. mo urgently it's also suppl