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'World Health Organisation (WHO) buildings in the cities of Manila, Washington, Lyon, Copenhagen, Alexandria, Geneva, New Delhi and Brazzaville surrounded by a series of numbered images interspersed with the WHO logo and the words 'AIDS Stop SIDA'; an advertisement by the World Health Organisation. Colour lithograph by G. Padey and G. Auberson.' by World Health Organization.. Credit: Wellcome Collection. CC BY-NC