Texas Influenza Activity Map - Week 4, 2013 (MMWR) #1358239 (License: Personal Use)

This map displays influenza activity across Texas counties during MMWR Week 4 of 2013, using a color-coded legend to indicate activity levels-from no activity (white) to confirmed Flu A and B (red)-and reporting status. Gray areas denote counties with no information or no reporters. The data integrates rapid test results, culture, and PCR confirmations to reflect real-time public health surveillance.

Used in public health dashboards, CDC reports, and epidemiological briefings to communicate regional flu trends; serves users seeking historical outbreak data, academic researchers, or health officials assessing seasonal patterns.