HÀ NỘI — The Vietnam Pediatrics Association (VPA) and US drug company Pfizer (Việt Nam) on May 26 signed a memorandum of understanding for enhancing the capacity of paediatric healthcare workers in the country. In Việt Nam, some 33,000 children aged under five years die of preventable diseases every year. The World Health Organization said pneumonia is the leading cause of death of children under five years of age globally. "In the disease model in Việt Nam, infectious diseases ranked top, especially respiratory and gastrointestinal infections and seasonal epidemics, and they require attention in terms of both prevention and treatment," he said. Darrell Oh, general director of Pfizer Vietnam, said infectious diseases are a global concern in public health and antibiotics are a primary area of focus for Pfizer.