Laboratory confirmed flu activity as reported by clinical laboratories is now low, according to the CDC's FluView report for Week 15, ending April 11, 2020. Influenza-like illness activity, while lower than last week, is still elevated. Influenza 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 0.9% last week to 0.4% 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) decreased from 3.9% last week to 2.9% this week. 5 of 10 regions are at or above their baselines.
The number of jurisdictions experiencing high or very high ILI activity decreased from 21 last week to 12 this week.
The number of jurisdictions reporting regional or widespread influenza activity decreased from 31 last week to 17 this week.
The overall cumulative hospitalization rate for the season increased to 68.3 per 100,000.
The percentage of deaths attributed to pneumonia and influenza is 11.9%, above the epidemic threshold of 7.0%.
Two influenza-associated pediatric deaths occurring during the 2019-2020 season were reported this week. The total for the season is 168.
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