This week marks the third anniversary of the last reported case of polio in Nigeria. Martina Merten reports that the Global Polio Eradication Initiative and the Nigerian government are already making use of trained polio workers to fight other diseases
One out of five people in India will be 60 or older by the year 2050. But the subcontinent is already struggling to cope with the challenges that an ageing society presents, finds Martina Merten
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