Three months into 2021, schools across Sindh have already reported over 1,600 coronavirus cases. On Tuesday, Sindh Directorate General Health issued a document revealing coronavirus statistics at educational institutions in the province district-wise. Karachi topped the list. Hyderabad, Mirpurkhas, and Thatta followed. According to the statistics, the positivity ratios in schools, colleges, and universities every day is 29.8%. The numbers were calculated from January 18, when educational institutions across the country reopened, till March 15. Here are graphs showing the breakdown of cases in Karachi and other big cities and districts in the province: According to.