World Malaria Day

Malaria mosquitoes hang on a net at an insect research facility in Nairobi, Kenya. World Malaria Day, on 25 April, aims to raise awareness of the thousands of children that die each day from the disease which is caused by mosquito bites. Millions of poor Africans cannot afford treated nets for their children to sleep under. These greatly reduce the chance of them being infected Photograph: Stephen Morrison/EPA

Gilbert Epau, who is suffering from meningitis and malaria, pictured in Soroti hospital after his mother carried him on foot from Katine village in Uganda Photograph: Dan Chung/Dan Chung

A five-year-old boy with a severe case of malaria is comforted by his mother as he lies unconscious in the paediatric ward of a Medecins Sans Frontieres hospital in the Sudanese town of El-Geneina Photograph: Cris Bouroncle/AFP/Getty Images

A disinfection worker and a woman walk through stagnant water in Kaolack, Senegal Photograph: Seyllou/AFP/Getty Images

A drama group performs in a chief's compound in southern Malawi, delighting the audience with dancing and comedy, while educating them about social issues such as rape and child abuse as well as health problems such as HIV, malaria, cholera and diarrhoea, all of which are daily killers in Malawi Photograph: Sarah Filbey/Christian Aid

A woman nurses her two-year-old anaemic son as he recovers from malaria at a health clinic in Nigeria Photograph: Rachel Stevens/Christian Aid

The month before this photo was taken, five-year-old Jaeli de Jesus fell ill with malaria, the main childhood killer in Angola. With her newfound knowledge from a health education course, Jaeli's mum Tabita was quick to recognise the symptoms and treat her. Unlike many children, Jaeli has made a full recovery Photograph: Adrian Arbib/Christian Aid

A charity worker in Nigeria demonstrates how treated mosquito nets protect young children from malaria. Christian Aid is distributing 82,000 nets over three years as part of a Nets for Life programme Photograph: Rachel Stevens/Christian Aid

Another drama presentation, this one to villagers in Nigeria, demonstrating how sleeping under a treated mosquito net can protect a whole family from malaria. Education is playing a crucial role in overcoming traditional beliefs in the country that nets are only used to bury the dead Photograph: Rachel Stevens/Christian Aid

Activist Delfina Dianfuana is distribuing mosquito nets at a mobile stall in Angola. Pregnant women and children are particularly vulnerable to malaria, so stalls are often set up outside Luanda's main maternity hospital. They distribute nets free to orphans and pregnant women. Other adults pay a discounted price Photograph: Sian Curry/Christian Aid