hello, and welcome to witness history, with me, pumza fihlani, here in johannesburg. this time, we'll be getting first—hand accounts from five important moments in the history of healthcare. coming up — how, in the 19705, chinese scientists used an ancient herbal remedy to find a cure for malaria. the german psychiatrist who first identified alzheimer's disease. and pakistan's angel of mercy, abdul sattar edhi, whose charity provides healthcare to millions. but we start here in south africa, where, in the late 1990s, cases of hiv and aids soared. by 1998, almost 3 million south africans were infected, and aids was the leading cause of death in the country. yet, antiretroviral drugs were too expensive for all but the richest south africans. activists began a long campaign for the right to import and use cheaper versions of the vital drugs. building coffins is a quiet ritual here. aids kills like clockwork in this area. it is a production line of death. from, really, the mid—1990s, hiv in south africa exploded. at one point, about 1,000 hiv—related deaths every single d

hello, and welcome to witness history, with me, pumza fihlani, here in johannesburg., we'll be getting first—hand accounts from five important moments in the history of healthcare. coming up — how, in the 1970s, chinese scientists used an ancient herbal remedy to find a cure for malaria. the german psychiatrist who first identified alzheimer's disease. and pakistan's angel of mercy, abdul sattar edhi, whose charity provides healthcare to millions. but we start here in south africa, where, in the late 1990s, cases of hiv and aids soared. by 1998, almost 3 million south africans were infected, and aids was the leading cause of death in the country. yet, antiretroviral drugs were too expensive for all but the richest south africans. activists began a long campaign for the right to import and use cheaper versions of the vital drugs. building coffins is a quiet ritual here. aids kills like clockwork in this area. it is a production line of death. from, really, the mid—1990s, hiv in south africa exploded. at one point, about 1,000 hiv—related deaths every single day, so it

we begin with flooding in south africa and our correspondent pumza fihlani, injohannesburg.ted kwazulu natal in april as the worst seen in that region in 16 years. in a matter of two days of rainfall, thousands of homes were flattened, roads were destroyed, and thousands worth of infrastructure brought to nought. it's been two months since then and people have barely begun to rebuild. officials say lessons need to be learned on how to better prepare for extreme weather conditions. it's a harsh lesson that has been learnt by the people of this country — one that's left them questioning how to better prepare for the future. here in the fujian province, it's the rainy season, and there've been floods here throughout history. however, chinese scientists are worried that climate change is making the frequency and the seriousness of these floods so much worse. it's not only rainfall, but melting glaciers in the himalayas are pushing large volumes of water down into china's rivers. across the south of this country this week, some parts of the country have seen the most rain they've

hello and welcome to witness history with me, pumza fihlani injohannesburg. get in johannesburg. we will get first—hand injohannesburg. we will get first—hand account from five important moments in the history of healthcare. coming up, how in the 1970s chinese scientists use an ancient herbal remedy to find a cure for malaria. the german psychiatrist who first identified alzheimer disease and pakistan's angel of mercy whose charity provides charity to millions. but we start in south africa where in the late 19905, south africa where in the late 1990s, cases of hiv and aids sold. 11998 almost 3 million south africans were infected and aids was leading cause of death in the country. yet antiretrovirals drugs were too expensive for all but the richest south africans. activist began a long campaign for the right to import and use cheaper versions of the vital drugs. building confidence is a white ritual here. aids feels like clockwork. it is a production line of death. from the mid-19 — production line of death. from the mid-19 90s, _ production line of death. fr