Purpose
The infographic serves as an engaging visual tool that captures attention and encourages viewers to learn more about the yearly lab work on flu viruses that CDC handles globally each year.
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Annual CDC Lab Work on Flu Viruses Detected in the United States and Globally*
4,200,000: More than 4.2 million patient specimens tested in clinical labs participating in CDC domestic influenza surveillance
195,000: More than 195,000 specimens tested in 90 state/local public health labs
11,800: CDC conducts full genomic sequencing on around 11,800 flu viruses each year from the US and global samples
2,400: CDC tests more than 2,400 flu viruses from US and global samples to determine their immune properties
70: CDC prepares more than 70 flu viruses for possible use in vaccine production
*Numbers represent average annual data as reported to CDC's Influenza Division during FY2023 – FY2025