TY - GEN ED - World Health Organization. Department of Communicable Disease Surveillance and Response. TI - Influenza pandemic preparedness plan : the role of WHO and guidelines for national and regional planning, Geneva, Switzerland, April 1999 PY - 1999/// CY - Geneva : PB - World Health Organization KW - World Health Organization KW - Influenza KW - Prevention and control KW - Disease outbreaks KW - Healthplanning guidelines KW - National health programs KW - Regional health planning ER -