Three states are experiencing widespread flu activity, while 27 states are experiencing local or regional flu activity so far in the 2019-2020 flu season, according to CDC's Weekly Influenza Surveillance report.
Flu activity so far
The report, which was released on Friday, is based on data collected through Nov. 9.
According to the report, California, Louisiana, and Maryland are the only three states experiencing widespread flu activity, while Rhode Island is the only state reporting no flu activity at all.
Meanwhile, 27 states are experiencing local or regional flu activity and the remaining states are experiencing sporadic activity.
CDC has not yet released estimates of how many people contracted the flu, nor has it released data on how many medical visits or hospitalizations the flu has led to so far this season. CDC said it will release that data "when activity has been sufficient to generate a stable estimate."
However, CDC did say that it has confirmed 73 positive respiratory specimens for influenza A and 105 positive specimens for influenza B in the week ending in Nov. 9. Since Sept. 29, CDC said it has confirmed 1,185 positive specimens for both influenza A and B. The week also saw the percentage of outpatient visits for flu-like illness increase to 2.3%, up from the previous week's 2.1% rate, but below the national baseline of 2.4%.
According to CDC, two influenza-associated pediatric deaths were reported in the week ending in Nov. 9. However, one of those deaths was associated with an influenza A virus that occurred during the 2018-2019 flu season. As of Nov. 9, there had been a total of three influenza-associated pediatric deaths associated with the 2019-2020 flu season that were reported to CDC (CDC Weekly U.S. Influenza Surveillance Report, accessed 11/18; CDC Flu Season FAQ, accessed 11/18).