预防疟疾 保护健康 (Prevent Malaria and Take Care of People's Health), 1964
预防疟疾 保护健康 (Prevent Malaria and Take Care of People's Health), Kaifeng City Red Cross, Kaifeng City Health and Epidemic Prevention Station, and Kaifeng City Health Education Institute, by Wu Hao (吴昊), 1964
Preventive methods emphasize the elimination of mosquitoes: spray insecticide, use bed nets, empty jars, and pull weeds to prevent the breeding of mosquitoes.