Every state except Hawaii reported widespread flu activity as of Feb. 23, according to the CDC's most recent FluView report.
Six things to know:
1. The percentage of outpatient visits for influenza-like illness remained at 5 percent for the week ending Feb. 23, which sits above the national baseline of 2.2 percent. All 10 regions reported influenza-like illness at or above their region-specific baseline level.
2. The percentage of respiratory specimens testing positive for flu slightly increased. The CDC confirmed 10,027 positive specimens for influenza A and 289 positive specimens for influenza B in the week ending Feb. 23.
3. The CDC reported 9,274 laboratory-confirmed flu-associated hospitalizations from Oct. 1, 2018, through Feb. 23. The overall flu-associated hospitalization rate increased to 32.1 per 100,000 population for the week.
4. Thirty-three states experienced high influenza-like illness activity for the week ending Feb. 23. Eight states and Washington, D.C., reported moderate activity; Puerto Rico and eight states experienced low activity; and one state experienced minimal activity.
5. Forty-nine states and Puerto Rico reported widespread flu activity for the week ending Feb. 23. Hawaii reported local flu activity.
6. Fifteen pediatric flu deaths were reported to CDC for the week ending Feb. 23, bringing the total count to 56 for the 2018-19 season.