Details:

Corporate Authors:
National Center for Immunization and Respiratory Diseases (U.S.). Influenza Division.
Description:
All data are preliminary and may change as more reports are received.

During week 3 (January 15-21, 2017), influenza activity increased in the United States..

• Viral Surveillance: The most frequently identified influenza virus subtype reported by public health laboratories during week 3 was influenza A (H3). The percentage of respiratory specimens testing positive for influenza in clinical laboratories increased.

• Pneumonia and Influenza Mortality: The proportion of deaths attributed to pneumonia and influenza (P&I) was above the system-specific epidemic threshold in the National Center for Health Statistics (NCHS) Mortality Surveillance System.

• Influenza-associated Pediatric Deaths: Three influenza-associated pediatric deaths were reported.

• Influenza-associated Hospitalizations: A cumulative rate for the season of 15.4 laboratory-confirmed influenza-associated hospitalizations per 100,000 population was reported.

• Outpatient Illness Surveillance:The proportion of outpatient visits for influenza-like illness (ILI) was 3.4%, which is above the national baseline of 2.2%. All 10 regions reported ILI at or above their region-specific baseline levels. New York City and 10 states experienced high ILI activity; 10 states experienced moderate ILI activity; Puerto Rico and 17 states experienced low ILI activity; 13 states experienced minimal ILI activity, and the District of Columbia had insufficient data.

• Geographic Spread of Influenza: The geographic spread of influenza in Puerto Rico and 37 states was reported as widespread; Guam and 12 states reported regional activity; the District of Columbia and one state reported local activity; and the U.S. Virgin Islands reported no activity.

External_F1703.pdf


Subject:
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Disease Outbreaks
Influenza, Human/epidemiology
Public Health Surveillance

Series:
FluView : 2016-2017 Influenza Season ; Week 3
Document Type:
Webpage
Genre:
Statistics
Place as Subject:
United States
Collection(s):
Stephen B. Thacker CDC Library collection
Main Document Checksum:
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urn:sha256:dd1e69f1be220cdc949816eb49103a4b1b7c2d9e43fb6b19efd93f29ee8eb039
File Type:

Supporting Files

• No Additional Files

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