CDC Flu Update for Week 10

Flu activity as reported by clinical laboratories remains high but decreased for the fourth week in a row; however, influenza-like illness activity increased slightly, according to the CDC's FluView report for for Week 10, ending March 7, 2020. Severity indicators remain moderate to low overall, but hospitalization rates differ by age group, with high rates among children and young adults.

The percentage of respiratory specimens testing positive for influenza at clinical laboratories decreased from 26.1% last week to 21.5% this week.

Nationally, influenza A(H1N1)pdm09 viruses are now the most commonly reported influenza viruses this season.

Visits to healthcare providers for influenza-like illness (ILI) increased slightly from 5.1% last week to 5.2% this week. All regions remain above their baselines.

The number of jurisdictions experiencing high ILI activity increased slightly from 42 last week to 43 this week.

The number of jurisdictions reporting regional or widespread influenza activity decreased from 51 last week to 50 this week.

The overall cumulative hospitalization rate for the season increased to 61.6 per 100,000.

The percentage of deaths attributed to pneumonia and influenza is 7.1%, below the epidemic threshold of 7.3%.

Eight influenza-associated pediatric deaths occurring during the 2019-2020 season were reported this week. The total for the season is 144.

Source: CDC

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