vaccine with the blessings of the world health organization. cbs's debora patta reports from johannesburg. >> reporter: this is the cape town home to a revolution. inside the warehouse, rebels in white lab coats have an audacious plan to solve global vaccine inequalities. while more than half the world received one shot, most to have the nations had picks of vaccines, so african countries had to wait. as a result, less than 7% on the continent are fully vaccinated. afrigen technical director dr. caryn fenner said the pandemic was a wakeup call. >> made us realize if no one stipes up, no one else will do it. after pleading with big pharma to share recipes, these scientists are done waiting and taking the development of a covid vaccine into their own