Regional AlertMyanmar reports 399 new COVID-19 cases September 22, 2022By MBDS Team20 September 2022. Myanmar confirmed 399 new cases of COVID-19 in the past 24 hours, bringing the total tally to 619,566. The ministry said health authorities tested 12,102 people for COVID-19 in the past 24 hours, and the daily positivity rate was 3.3%.