Gift of the Givers says it's overwhelmed with calls for oxygen concertrators in Gauteng hospitals. It says Covid-19 infections are ripping through the population at an unprecedented rate. The NGO says it is inundated with calls of desperation from medical professionals, families and patients for oxygen concentrators, oxygen cylinders and oxygen, or bed availability at hospitals. Both private and public hospitals are filled to capacity.We spoke to the Founder of Gif of the Givers Foundation, Dr Imtiaz Sooliman.