PHOTO YASUYOSHI CHIBA, FRANCE-PRESSE AGENCY
A woman shows her 3-year-old granddaughter how to fit a mosquito net over her bed to protect herself from mosquitoes that could transmit malaria, in Mukuli, Kenya. The little one is among thousands of children who have received doses of the vaccine as part of the world’s first malaria vaccine pilot programme, coordinated by the World Health Organization.