Covid-19 in Bangladesh claimed 25 more lives and infected 1,212 others in 24 hours till Monday morning.  The fresh cases were detected after testing 27,287 samples keeping the daily case positivity rate at 4.36 percent, said the Directorate General of Health Services (DGHS).  With this, the daily case positivity rate of Covid-19 in the country remained below 5 percent for the seventh consecutive day. READ: Global Covid cases approach 232 million   According to the World Health Organization (WHO), if the daily-case positivity rate remains at 5 percent or below for 14 days is considered to be safe for mass unlocking.  The fresh numbers reported today took the total fatalities to 27,439 while the caseload mounted to 1,552,563, said the DGHS. However, the mortality rate remained static at 1.77 percent. READ: Covid daily death toll falls to 21 in Bangladesh  The recovery rate remained unchanged at 97.43 percent with the recovery of 1,202 more patients during the period. So far, 1,512,681 people have recovered from the deadly virus infections, the DGHS added.