SAN DIEGO COUNTY INFLUENZA SURVEILLANCE October 14, 2015.

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Presentation transcript:

SAN DIEGO COUNTY INFLUENZA SURVEILLANCE October 14, 2015

Top 5 Reasons for Influenza Surveillance 1.Measure population impact 2.Identify novel influenza strains 3.Assess match of circulating strains to vaccine 4.Identify outbreaks and severe illness trends 5.Provide surveillance data to stakeholders Purpose

7, Total Reported influenza cases ICU CASES DEATHS TOTAL REPORTED INFLUENZA CASES 78 CONFIRMED OUTBREAKS SUMMARY

Flu A Flu B Flu A/B Influenza A Influenza B Influenza A (H3) Seasonal Influenza A (H1N1)pdm09 Influenza B/Yamagata Influenza B/Victoria Influenza A/B 4,830 1, % 1, % % Flu TypeFlu Sub-type/Strain Count Percentage N = 7, SUMMARY

Batched reports SUMMARY

Data Source: Reported Influenza Case Reports Prepared by County of San Diego, Health & Human Services Agency, Public Health Services, Epidemiology and Immunization Services Branch, 10/05/ SUMMARY

ICU Cases Deaths Outbreaks Calls Specimens Week ED % ILI JANFEBMARDECNOVOCTSEPAUG INFLUENZA ACTIVITY HEAT MAP APR SUMMARY

Influenza Cases by Age Group, Count Rate per 100K Number and Age Specific Incident Rate

Influenza Outbreaks Week Reported 78 Flu outbreaks All outbreaks lab confirmed 1,050 total cases Avg. of 13 cases per outbreak 22 deaths among residents of outbreak locations (e.g. LTCF) N=78

Data Source: Reported Influenza Case Reports Prepared by County of San Diego, Health & Human Services Agency, Public Health Services, Epidemiology and Immunization Services Branch, 10/05/ SUMMARY

Data Source: Reported Influenza Case Reports Prepared by County of San Diego, Health & Human Services Agency, Public Health Services, Epidemiology and Immunization Services Branch, 10/05/ SUMMARY

ICU CASES DEATHS TOTAL REPORTED INFLUENZA CASES ** CURRENT UPDATE ** Reported Influenza Cases Since July 1, 2015 Week Count

SAN DIEGO COUNTY REQUESTS All flu detections Fax to Epidemiology (858) Lab results & demographics All deaths and ICU cases Fax Discharge Summary, H&P medical records Specimens to PHL Indicate if SNF/Outbreak related Defined as 1 Lab+ and ≥ 2 ILI cases in 72 hours PHL and Case Report Forms located on

INFLUENZA WATCH  Weekly summary  ed out Wednesdays  Starts end of October  Linked on SDIZ.org & SDEPI.org  To get on distribution list:

CONTACT Brit Colanter (619)