Why pneumonia remains biggest killer of children and the elderly

Four-year-old Shannel Kemunto receives a polio vaccine at Kisii Teaching and Referral Hospital. [Denish Ochieng/Standard]

Resistance to drugs and poor health-seeking behaviours among populations are among factor stifling efforts to fight the disease.

Resistance to drugs is one of the main reasons pneumonia has remained a major challenge, especially among children under the age of five and those above 65.