Severe Pneumonia Associated with Pandemic (H1N1) 2009 Outbreak, San Luis Potosí, Mexico
Figure. Weekly number of acute respiratory infections (ARI) reported in the state of San Luis Potosí, Mexico (no. of cases × 100, light blue area); weekly number of ARI visits at the emergency department of Hospital Central “Dr. Ignacio Morones Prieto” (dark blue area); and weekly percentage of samples positive for respiratory syncytial virus (RSV; orange area) or influenza (red area), Virology Laboratory, Universidad Autónoma de San Luis Potosí, during January 2008 through May 2009.