Texas Influenza Activity Map - Week Ending January 12, 2013 #1358234 (License: Personal Use)

The map illustrates statewide influenza surveillance data for the week ending January 12, 2013, with counties shaded by activity level-ranging from no activity (white) to co-circulation of Flu A and B (red). Gray hatched areas denote missing or unreported data, while colors represent lab-confirmed cases (via culture or PCR) or rapid test positives. The legend clarifies distinctions between influenza-like illness without lab confirmation and subtype-specific detections.

Used in public health dashboards, epidemiological reports, or CDC/health department webpages to communicate seasonal flu spread; supports user intent to assess regional outbreak severity, compare trends, or inform prevention strategies.