*Includes the District of Columbia, Puerto Rico and the U.S. Virgin Islands.
This table will be updated each Friday at 11 AM ET.
International Human Cases of H1N1 Flu Infection
See: World Health Organization.
NOTE: Because of daily reporting deadlines, the state totals reported by CDC may not always be consistent with those reported by state health departments. If there is a discrepancy between these two counts, data from the state health departments should be used as the most accurate number.
For more information about how these case counts are updated, see Questions & Answers About CDC's Online Reporting.