Outbreak Response/Epidemiology
Influenza Weekly Report
Arkansas 2017-2018
Week Ending Saturday 03/24/2018
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Report Key Points:
For Week 12, Arkansas reported ?Local? activity to the Centers for Disease Control and Prevention (CDC)
for geographic spread of influenza, and ?Minimal? or 3/10 for ILI intensity.
Since October 1, 2017, over 52,600 positive influenza tests have been reported to the ADH online database
by health care providers. In Week 12, 37 counties reported influenza cases. The majority of reports came
from Pulaski, White, Benton, Jefferson, Independence, Sebastian, Craighead, Faulkner, Washington, Desha,
and Greene.
Among total flu antigen tests that can distinguish between influenza A and B virus types, 62 percent were
influenza A, and 38 percent were influenza B.
Private labs reported 24 positive PCR flu tests this week: 4 positives for influenza A, 18 positives for
influenza B, one positive for Influenza A subtype H1N1 and one positive for Influenza B subtype Victoria.
At the ADH lab, no samples tested this week.
About 1.6 percent of patients visiting emergency rooms this week were there for ILI. About 2.5 percent of
outpatient visits were for ILI.
No school absenteeism rate was reported last week among public schools due to spring break.
To date, 205 influenza-related deaths have been reported in Arkansas this flu season, 200 among adult
persons and 5 pediatric deaths. CDC has reported a total of 133 pediatric deaths nationwide this season.
Since October 1, 2017, 59 facilities including 47 nursing homes have reported influenza outbreaks.
The proportion of deaths reported to the National Center for Health Statistics attributed to pneumonia and
influenza (P&I) was above the system-specific epidemic threshold.
For Week 11, the geographic spread of influenza was reported as widespread in 17 states; Guam, Puerto
Rico, and 26 states reported regional activity; the District of Columbia and five states reported local
activities; and the U.S. Virgin Islands and two states reported sporadic activities.
You can report flu year-round and view the weekly influenza report during the influenza season at:
http://www.healthy.arkansas.gov/programs-services/topics/influenza.
You can also access the reporting website directly at:
https://FluReport.ADH.Arkansas.gov
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http://www.healthy.arkansas.gov/ima...eport_Week_Ending_Saturday_March_24,_2018.pdf