WHEN 12-year-old Sama Mohamed's father died of the coronavirus in May, the family tried cutting expenses. With the school year resuming this week in Egypt, buying a new uniform seemed unaffordable. Unable to purchase a complete uniform costing 150 pounds ($9.58) from shops, she headed to a manufacturer in northern Cairo to buy just the regulatory T-shirt. Flooded with unsold garments after schools shut in March because of the coronavirus lockdown, the factory sells uniforms for around 10 to 20 pounds less than shops, a significant figure for families already financially stricken by the pandemic. Standing in her new shirt…