Related by context. Frequent words. (Click for all words.) 48 swine flu virus 48 swine flu epidemic 46 dengue cases 46 Elena Salgado 45 Schuchat 45 Andy Burnham 44 A/H#N# flu 44 swine flu outbreak 43 Margaret Chan 42 swine flu 42 Rafael Ramirez 41 H#N# swine flu 41 Edano 41 El Universal 40 Andrew Lansley 40 Thomas Frieden 40 President Felipe Calderón 40 President Felipe Calderon 39 Calderón 39 H#N# flu 39 listeriosis 39 Felipe Perez Roque 39 Tamaulipas 38 Frieden 38 Alfredo Perez Rubalcaba 38 Nuevo Laredo 38 Gerberding 38 Dr. Julie Gerberding 38 H#N# influenza virus 38 dengue 38 H#N# virus 38 swine influenza 37 López Obrador 37 Nuevo Leon 37 Minister Nicola Roxon 37 H#N# strain 37 swine flu pandemic 37 Lopez Obrador 36 Insulza 36 Ciudad Juarez 36 General Amr Moussa 36 seasonal influenza 36 flu virus 36 Education Arne Duncan 36 Secretary Kathleen Sebelius 36 Juárez 36 Felipe Calderon 36 H#N# 36 Philippe Douste Blazy 35 Janet Napolitano 35 President Alvaro Colom 35 Andres Manuel Lopez Obrador 35 Calderon 35 Minister Chakib Khelil 35 cholera 35 Michoacan 35 influenza 35 antiviral drugs 35 Jose Miguel Insulza 35 Perez Roque 35 Secretary Yukio Edano 35 Liam Byrne 35 Reforma 35 Chiapas 35 C diff 35 Ms Sturgeon 35 Micheletti 35 Supari 35 Piot 35 whooping cough 35 H#N# influenza 34 dengue virus 34 Tony Snow 34 Jalisco 34 Fauci 34 seasonal flu 34 flu viruses 34 Caroline Flint 34 flu strains 34 Mexicans 34 Juan Manuel Santos 34 Margaret Hamburg 34 pandemic strain 34 MEXICO CITY Mexican 34 pertussis 34 pandemic 34 cholera outbreak 33 Shaun Donovan 33 Interior Ken Salazar 33 Ali al Naimi 33 Sergei Lavrov 33 Daukoru 33 Patricia Hewitt 33 C. difficile 33 Napolitano 33 flu 33 H#N# avian flu 33 Mantega 33 George Papaconstantinou 33 West Nile virus 33 Quintana Roo