Testing data: A powerful ally in the fight against Covid-19

Covid-19 cases are on the rise in Bangladesh again. The average number of new cases over the last seven days was 1,854 per day, compared to an average of 1,444 a week earlier—that's a 28 percent increase. Some startling statistics recently emerged showing huge spikes in cases in border districts, raising the alarm that we may be seeing a spread of the Delta variant (popularly