Pneumococcal disease kills more than half a million children under the age of five every year. Pneumonia is the most common form of serious pneumococcal disease. In developing countries, pneumonia accounts for 18% of child deaths.Pneumococcal vaccines protect against several forms of pneumococcal disease, such as meningitis, pneumonia and bacteraemia. Kenya is the first African country to introduce the new pneumococcal conjugate vaccine, PCV10, into their national immunisation programme. Read more.