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November 1 - November 7, 2015 (MMWR Week 44) Highlights Flu activity is ‘low’ for 5th straight week. The flu rating scale is here: https://ccbh-new.squarespace.com/flu-weekly-reports/?rq=flu Pneumonia-related deaths accounted for 5.8% of all deaths. No flu related deaths occurred this week. Two confirmed cases of flu associated hospitalization were reported this week. 2.1% of emergency room visits were due to flu like illness this week. Local Flu Activity Dashboard Current Week Flu Activity X Low Mod High (All data are preliminary and may change as updated information are received.) Oct Weekly Intensity Nov Dec Jan 40 41 42 43 44 45 46 47 48 49 50 51 52 1 Feb 2 3 4 5 6 Mar 7 8 Apr May 9 10 11 12 13 14 15 16 17 18 19 20 Table 1. Cuyahoga County Influenza Data Dashboard Influenza (Flu) Indicator Current Activity Level Pneumonia: 5.8% Flu: 0 deaths Cuyahoga: 1.75% Activity Compared to Last Week #Weeks1234 1 4 1 2 1 1 1 N/A 1 1 2 N/A N/A 1 2015-2016 Season Total/Trend Emergency room visit due to ILI [Fig 5] 2.1% 107% Stable 280% (4.5%) +2 294% Stable N/A (63.3%) 11.4% (7.1%) N/A N/A (12.5%) Sales of over-the-counter medications used to treat ILI. [Fig 6] Congestion & cough complaints [Fig 8} Vomiting & nausea complaints [Fig 9] 329 10.0% 1 Trend data will begin week 45. 10.7% 9.6% 2.5% (10.1%) Stable (3.8%) 4 4 4 Trend data will begin week 45. Trend data will begin week 45. Percent of pneumonia deaths & number of flu related deaths - [Fig 1] Influenza like illness (ILI) doctor visits [Fig 2] Flu associated hospitalizations [Fig 3] School absenteeism due to ILLNESS ONLY – [Fig 4A] School absenteeism due to ALL CAUSES – [Fig 4B] Diarrhea complaints [Fig 10] athenahealth: 0.21% 2 Northeast: Northwest: Southeast: Southwest: Northeast: Northwest: Southeast: Southwest: 6.7% 2.3% N/A 1.1% 4.9% 2.6% N/A N/A 1 Trend data will begin in week 45. Trend data will begin in week 45. N=6. Trend data begin week 45. Trend data will begin in week 45. Trend data will begin in week 45. Trend data will begin week 45. Trend data will begin week 45. Due to small percentages, caution should be used while interpreting the ‘Activity Compared to Last Week’ box. For figures 1-2, 4-5 & 8-10, = (Increase > 20%), = (Decrease > -20%), = Stable (-19.9% to +19.9%) 3 For figure 6, = (Increase > 10%), = (Decrease > -10%), = Stable (-9.9% to +9.9%) 4 For flu related deaths (Fig 1) & Fig 3, = (Increase # of deaths/cases), = (Decrease # of deaths/cases), = Stable (Same # of deaths/cases) 2 Page 1 of 8 November 1 - November 7, 2015 (MMWR Week 44) Flu Summary This report is intended to provide an overview of influenza related activity occurring in Cuyahoga County while providing some information on state activity that is one week behind the current week. It will be published on a weekly basis and can be found at the following website: http://www.ccbh.net/flu-weekly-reports/?rq=flu Note: Data are provisional and subject to change. Updates will be included in future reports. Pneumonia and Influenza (P&I) Mortality 5.8% of all deaths reported to the Cleveland Bureau of Vital Statistics were due to pneumonia. Adults 75 years old and older accounted for 80% of all pneumonia related deaths. No influenza related deaths occurred this week (Figure 1). Influenza-Like Illness (ILI) Reports Athenahealth reported that 0.21% of patients had flu-like symptoms this week. Two sentinel providers reported 1.75% of patients had ILI symptoms this week. (Figure 2). ILI is defined as a fever (≥ 100◦ F), and cough and/or sore throat. Influenza-Associated Hospitalizations and Influenza-Associated Pediatric Mortality Two confirmed cases of influenza-associated hospitalization in Cuyahoga County were reported this week and in week 42 (Figure 3). Twenty-two statewide confirmed influenza associated hospitalizations in week 44. No statewide pediatric flu related deaths has occurred so far this flu season. School Absenteeism Participating schools in Cuyahoga County reported the percentage (median = 2.6%) of absenteeism due to any illness on Tuesday (Figure 4A). Figure 4B shows the total absenteeism due to any reason (median = 2.6%). Emergency Department (ED) visits and Over-the-Counter Medication Sales 2.1% of all ED visits were for fever + ILI symptoms. Approximately 50 more patients visited EDs for fever and ILI symptoms this year compared to the 5-year median (Figure 5). Figure 6 shows approximately 175 more OTC products per drugstore were purchased this year than the 5-year median for the same time period. Three other maps show, by zip code, the frequency of ED visits for three symptoms that are common during the fall and winter seasons and are of interest to the general public: congestion and cough (Figure 8), vomiting and nausea (Figure 9), and diarrhea (Figure 10). Descriptions of data sources used to complete the weekly influenza write-up can be found on the last page of this report. Additional Influenza Activity Links • Weekly U.S. Influenza Surveillance Report – http://www.cdc.gov/flu/weekly • Ohio Influenza Surveillance – http://www.odh.ohio.gov/features/odhfeatures/seasflu/ohfluactivity.aspx Page 2 of 8 Figure 1. Percentage of Deaths Due to Pneumonia and Influenza (P&I) Cleveland Bureau of Vital Statistics 9% 8% 7% 6% 5% 4% 3% 2% 1% 0% 40 41 42 43 44 45 46 47 48 49 50 51 52 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 MMWR Week Percent Pneumonia Percent Influenza 5-Yr Median 2010-11 - 2014-15 Figure 2. Percent of Influenza-Like Illness (ILI) Visits U.S. Influenza Sentinel Provider Surveillance Network and ILI visits data via athenahealth 2.4% 2.0% 1.6% 1.2% 0.8% 0.4% 0.0% 40 41 42 43 44 45 46 47 48 49 50 51 52 1 2 3 4 5 6 MMW R Week Cuyahoga County 7 8 9 10 11 12 13 14 15 16 17 18 19 20 athenahealth Figure 3. Number of Influenza-Associated Hospitalizations in Cuyahoga County (using event date) 120 110 100 90 80 70 60 50 40 30 20 10 0 40 41 42 43 44 45 46 47 48 49 50 51 52 1 Current Year 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 MMWR Week 5 Year Median 2010-2011 - 2014-2015 Page 3 of 8 Figure 4a. School Absenteeism (Due to any Illness) in Cuyahoga County 7% N O 6% 5% S C H O O L 4% 3% 2% 1% 0% 40 41 42 43 44 45 46 47 48 49 5-year Median (2010-11 - 2014-15) 50 51 52 1 2 Northeast Suburbs 3 4 5 6 MMWR Week 7 8 Northwest Suburbs 9 10 11 12 13 Southeast Suburbs 14 15 16 17 18 19 20 Southwest Suburbs Figure 4b. School Absenteeism (Due to any Reason) in Cuyahoga County 11% 10% N O 9% 8% 7% S C H O O L 6% 5% 4% 3% 2% 1% 0% 40 41 42 43 44 45 46 47 48 49 5-year Median (2010-11 - 2014-15) 50 51 52 1 2 3 4 5 6 MMWR Week Northeast Suburbs Page 4 of 8 7 8 9 Northwest Suburbs 10 11 12 13 14 15 Southeast Suburbs 16 17 18 19 20 Figure 5. Cuyahoga County Hospital ED Visits for ILI & Fever Symptoms by Age Group 300 250 200 150 100 50 0 40 41 42 43 44 45 46 47 48 49 50 51 52 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 MMWR Week O - 4 Years Old 5 - 24 Years Old 25 - 49 Years Old 50 - 64 Years Old 65 Years and Older 5 Year Median (2010-11 - 2014-15) Figure 6. Comparison of Average Weekly OTC Products Sold in Cuyhaoga County Drugstores 350 300 250 200 150 100 50 0 40 41 42 43 44 45 46 47 48 49 50 51 52 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 MMWR Week Antifever Cold_liquid_ped Cold_tablet_ped Cough_syrup_ped Page 5 of 8 Electrolytes_ped Thermometers 5 Year Median 2010-11 - 2014-15 Figure 7 Rate of Fever and Influenza-Like Illness Complaints per 100,000 by Zip Code November 1st - November 7th 2015 - MMWR Week Rate 0 - 5.2 12.2 - 17.1 17.2 - 39.7 5.3 - 12.1 44140 44116 44145 44126 44070 44138 44107 44111 44142 44017 44129 44130 44149 44136 4411444103 44106 44105 36.6 - 58.2 44140 44145 44116 44126 44070 44138 58.3 - 94.3 94.4 - 233.9 44107 44111 4412344132 44135 44142 44017 Page 6 of 8 44144 44129 4411444103 44106 44133 44105 44125 44134 44131 44147 44139 44128 4 Miles 44143 44040 44124 44022 44137 44146 44141 Ü 0 1 2 44121 44118 44115 44113 44104 44102 44120 44122 44127 44130 44149 44136 44119 44 44117 44110 44108 44112 44109 44022 Map created and analysis performed by Epidemiology, Surveillance, and Informatics at the Cuyahoga County Board of Health. Data are preliminary. 44141 November 1st - November 7th 2015 - MMWR Week 0.0 - 36.5 44124 44146 Figure 8 Rate of Congestion and Cough Complaints per 100,000 by Zip Code Rate 44040 44137 44134 44131 44133 4 Miles 44143 44128 44125 44147 0 1 2 44121 44118 44115 44113 44104 44102 44120 44122 44127 44144 44135 44119 44 44117 44110 4410844112 44109 Ü 4412344132 44139 Map created and analysis performed by Epidemiology, Surveillance, and Informatics at the Cuyahoga County Board of Health. Data are preliminary. Figure 9 Rate of Vomiting and Nausea Complaints per 100,000 by Zip Code 4412344132 44119 44117 44110 November 1st - November 7th 2015 - MMWR Week 44 Rate 60.1 - 88.4 0.0 - 42.1 88.5 - 175.4 42.2 - 60.0 44140 44145 44116 44126 44070 44138 44107 44111 44135 44142 44017 44114 44103 44106 44144 44129 44133 44105 44109 44125 44140 44145 44116 44126 44070 44138 Page 7 of 8 44.7 - 78.0 44107 44111 44135 44142 44017 44119 44 44117 44110 44114 44103 44106 44144 44129 44133 44105 44125 44134 44131 44147 44128 Ü 4 Miles 44143 44040 44124 44022 44137 44146 44141 0 1 2 44121 44118 44115 44113 44104 44102 44120 44122 44127 44130 44149 44136 Map created and analysis performed by Epidemiology, Surveillance, and Informatics at the Cuyahoga County Board of Health. Data are preliminary. 4410844112 44109 44139 4412344132 23.1 - 44.6 9.9 - 23.0 44022 44137 44141 November 1st - November 7th 2015 - MMWR Week 0 - 9.8 44124 44146 Figure 10 Rate of Diarrhea Complaints per 100,000 by Zip Code Rate 44040 44121 44128 44134 44131 44147 4 Miles 44143 44118 44115 44113 44104 44102 44120 44122 44127 44130 44149 44136 4410844112 Ü 0 1 2 44139 Map created and analysis performed by Epidemiology, Surveillance, and Informatics at the Cuyahoga County Board of Health. Data are preliminary. Sources of Influenza Surveillance Data Six types of data sources are examined on a weekly basis to help determine the influenza activity level for Cuyahoga County: 1) Ohio Department of Health (ODH) Seasonal Influenza Activity Summary : The ODH influenza summary provides state-wide data . Data used from this report include: frequency of fever plus influenzalike illness (ILI) associated hospitalizations, number of influenza-associated pediatric mortalities, and number of lab-confirmed influenza cases. A) Influenza-associated Hospitalizations (ODRS): Influenza-associated hospitalizations are reported by the Cuyahoga County Board of Health (CCBH) and hospitals using the Ohio Disease Reporting System (ODRS). Hospitalizations can be used as an indicator of the severity of illness during a particular influenza season. This condition became reportable in January 2009. B) Influenza-associated Pediatric Mortality (ODRS): Influenza-associated pediatric mortalities are reported into ODRS by CCBH and hospital staff. Pediatric deaths can be an indicator of the severity of illness during the influenza season. This condition became reportable in 2005. C) Sentinel Providers (ILINet): Sentinel providers, through the US Influenza-like Illness Surveillance Network (ILINet), collect outpatient influenza-like illness (ILI) data. ILI is defined as a fever (> 100 F), and cough and/or sore throat without another known cause. Providers report the total number of patients seen, by age group, on a weekly basis. Sentinel providers also submit specimens for influenza testing to the ODH laboratory throughout the influenza season. There are 3 sentinel providers enrolled in Cuyahoga County for the 2014-2015 season. D) ODH Laboratory Surveillance: The Ohio Department of Health Laboratory reports the number of specimens that test positive for influenza each week. Generally, specimens are submitted by sentinel provider participants. A subset of the positive specimens is sent to CDC for further testing during the season. 2) Mortality Reporting System (Cleveland’s Vital Statistics): Cleveland Vital Statistics office reports on deaths that occur in 55 of 59 municipalities in Cuyahoga County (excludes Lakewood, Bedford, Euclid, & Parma) regarding pneumonia & influenza. 3) ILI data (athenahealth) "ILI estimates are based on insurance claims diagnoses, documented in athenahealth's database. athenahealth is a healthcare technology and services company for electronic health records, medical billing, patient engagement, and care coordination." 4) School Absenteeism data (due to illness and due to any reason): More than 50 Cuyahoga County schools provide absenteeism data for each Tuesday on the number children absent due to any illness or due to any reason as well as sentinel schools that report week absenteeism data. 5) National Retail Data Monitor (NRDM)-OTC Drug Purchases: The NRDM collects over-the-counter (OTC) drug sales information from Cuyahoga County chain drug stores and grocery stores. Pediatric cold products, anti-fever products, and thermometer sales are monitored on a weekly basis. 6) Emergency Department Visits (EpiCenter): EpiCenter collects emergency department chief complaint data from hospitals and urgent care facilities across Cuyahoga County and classifies them into symptom and syndrome categories. Rates for chief complaints regarding fever + ILI and other symptoms commonly detected during the winter are analyzed. Page 8 of 8