Referring to the findings of the BSMMU Covid-19 genome sequencing research, he also said that they (BSMMU) detected 20 per cent highly contagious omicron cases, decoding genome sequencing of collected samples from coronavirus patients between 8 December 2021 and 8 January 2022.

As per the study, the mortality rate is higher among patients with comorbidity, diabetes, cancer, respiratory, and lung diseases. Fatality rate of those patients aged above 60 years is much higher, if they are infected by the virus for the second time.

While revealing another study conducted by the BSMMU on 5 August 2021, it (BSMMU) found that the Delta variant accounted for 98 per cent of coronavirus cases in Bangladesh.