Epidemiologic Notes and Reports Update: Influenza
Activity -- United States
Trends of national influenza activity and morbidity associated
with pneumonia and influenza are shown in Figure 1. A total of 16
states indicated the occurrence of widespread or regional outbreaks
of
influenza-like illness for the week ending March 9, 1985, compared
with 21 states and 26 states, respectively, that indicated similar
levels for the 2 preceding weeks. Following the trend shown
recently
by other indices of influenza activity, the percentage of total
deaths
associated with pneumonia and influenza that were reported from 121
cities declined sharply to 6.2% for the week ending March 9.
Reported by Participating physicians of the American Academy of
Family
Physicians; State and Territorial Epidemiologists; State Laboratory
Directors; Other collaborating laboratories; Statistical Svcs Br,
Div
of Surveillance and Epidemiologic Studies, Epidemiology Program
Office, Influenza Br, Div of Viral Diseases, Center for Infectious
Diseases, CDC.
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