{"id":9641,"date":"2025-03-01T13:59:16","date_gmt":"2025-03-01T18:59:16","guid":{"rendered":"https:\/\/dhss.delaware.gov\/dph\/tick-lyme-data\/"},"modified":"2025-03-02T00:29:23","modified_gmt":"2025-03-02T05:29:23","slug":"tick-lyme-data","status":"publish","type":"page","link":"https:\/\/dhss.delaware.gov\/dph\/epi\/tick-lyme-data\/","title":{"rendered":"epi\/tick-lyme-data ~  Lyme Data  &#8211; Delaware Health and Social Services &#8211; State of Delaware"},"content":{"rendered":"<div data-swiftype-index=\"true\">\n\n\n\n\n\n  <br>\n\n\n  \n\n\n  <div class=\"container\" id=\"main_header\"> \n\n\n    <!-- BEGIN readspeaker div -->\n\n\n    <div class=\"rs_skip rsbtn rs_preserve\" id=\"readspeaker_button1\">\n\n\n      <a accesskey=\"L\" class=\"rsbtn_play\" href=\"https:\/\/app-na.readspeaker.com\/cgi-bin\/rsent?customerid=7262&#038;lang=en_us&#038;readid=main_content&#038;url=https:\/\/dhss.delaware.gov\/dph\/epi\/tick-lyme-data.html\" title=\"Listen to this page using ReadSpeaker\">\n\n\n        <span class=\"rsbtn_left rsimg rspart\"><span class=\"rsbtn_text\"><span>Listen<\/span><\/span><\/span>\n\n\n        <span class=\"rsbtn_right rsimg rsplay rspart\"><\/span>\n\n\n      <\/a>\n\n\n    <\/div>\n\n\n    <!-- END readspeaker div -->\n\n\n\n\n\n    \n\n\n    <header class=\"pull-left\">\n\n\n      <h1><!--[type=EDIT name=\"Page Title\"]-->Tick-Borne Diseases<!--[END]--><\/h1>\n\n\n    <\/header>\n\n\n   <\/div><br>\n\n\n \n\n\n  <div class=\"container\">\n\n\n    <div class=\"row\">\n\n\n      <div class=\"col-md-3\" id=\"leftCol\">\n\n\n        <div class=\"panel-group\" id=\"accordion\">\n\n\n          <div class=\"panel sectionmenu_panel\">\n\n\n            <div class=\"panel-heading\">\n\n\n              <p class=\"panel-title\"><a class=\"agency_nav\" data-parent=\"#accordion\" data-toggle=\"collapse\" href=\"#collapseOne\"><strong><i class=\"fa fa-align-justify fa-fw\"><\/i> Public Health Menu<\/strong><\/a><\/p>\n\n\n            <\/div>\n\n\n\n\n\n            <div class=\"panel-collapse collapse in\" id=\"collapseOne\">\n\n\n              <div class=\"panel-body\" id=\"clf_nav\">\n\n\n                  <ul class=\"nav nav-stacked nav-pills-clf\" id=\"agency_sidebar\">\n    <li><a href=\"\/dph\/\"><h2>Home <i class=\"fa fa-home fa-fw\"><\/i><\/h2><\/a><\/li>\n    <li class=\"toplevel\"><a data-parent=\"#agency_sidebar\" data-toggle=\"collapse\" href=\"#HomeMenu\"><h2>About <i class=\"fa fa-caret-right fa-fw\"><\/i><\/h2><\/a>\n      <ul class=\"panel-collapse collapse\" id=\"HomeMenu\">\n        <li><a href=\"\/dph\/about.html\">About DPH<\/a><\/li>\n        <li><a href=\"\/dph\/sections.html\">Sections &#038; 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In 2023, 349 cases of Lyme disease were reported in Delaware for an incidence rate of 34 cases per 100,000 population.<\/p>\n\n\n\n\n\n\n\n<h3 style=\"text-align: center;\"><a name=\"_Hlk154579267\"><span style=\"color:#800000;\"><strong>Lyme Disease Case Counts and Incidence Rates by Year and County, Delaware, 2019-2023<\/strong><\/span><\/a><\/h3>\n\n\n\n\n\n\n\n<table align=\"center\" border=\"1\" cellpadding=\"0\" cellspacing=\"0\">\n\n\n\n <tbody>\n\n\n\n  <tr>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p>\u00a0<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td colspan=\"4\" style=\"height:1px;\">\n\n\n\n   <p align=\"center\"><strong>CASE COUNTS<\/strong><\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"width:87px;height:1px;\">\n\n\n\n   <p><strong>INCIDENT RATE PER 100,000 POPULATION<\/strong><\/p>\n\n\n\n   <\/td>\n\n\n\n  <\/tr>\n\n\n\n  <tr>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p><strong>YEAR<\/strong><\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p><strong>NEW CASTLE<br>\n\n\n\n   COUNTY <\/strong><\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p><strong>KENT<br>\n\n\n\n   COUNTY<\/strong><\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p><strong>SUSSEX<br>\n\n\n\n   COUNTY<\/strong><\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p><strong>DELAWARE<\/strong><\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"width:87px;height:1px;\">\n\n\n\n   <p><strong>DELAWARE <\/strong><\/p>\n\n\n\n   <\/td>\n\n\n\n  <\/tr>\n\n\n\n  <tr>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\"><strong>2023<\/strong><\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">213<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">53<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">83<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">349<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"width:87px;height:1px;\">\n\n\n\n   <p align=\"center\">33.8<\/p>\n\n\n\n   <\/td>\n\n\n\n  <\/tr>\n\n\n\n  <tr>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\"><strong>2022<\/strong><\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">192<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">54<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">52<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">298<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"width:87px;height:1px;\">\n\n\n\n   <p align=\"center\">29.3<\/p>\n\n\n\n   <\/td>\n\n\n\n  <\/tr>\n\n\n\n  <tr>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\"><strong>2021<\/strong><\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">97<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">18<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">25<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">140<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"width:87px;height:1px;\">\n\n\n\n   <p align=\"center\">14.0<\/p>\n\n\n\n   <\/td>\n\n\n\n  <\/tr>\n\n\n\n  <tr>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\"><strong>2020<\/strong><\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">250<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">43<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">61<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">354<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"width:87px;height:1px;\">\n\n\n\n   <p align=\"center\">35.8<\/p>\n\n\n\n   <\/td>\n\n\n\n  <\/tr>\n\n\n\n  <tr>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\"><strong>2019<\/strong><\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">439<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">84<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">135<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">658<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"width:87px;height:1px;\">\n\n\n\n   <p align=\"center\">67.6<\/p>\n\n\n\n   <\/td>\n\n\n\n  <\/tr>\n\n\n\n  <tr>\n\n\n\n   <td colspan=\"6\" style=\"width:421px;height:1px;\">\n\n\n\n   <p>* These data include confirmed and probable cases according to national surveillance case definitions adopted by the Council of State and Territorial Epidemiologists (CSTE). The Lyme disease case definition, which was changed in 2022, may be found <a href=\"https:\/\/ndc.services.cdc.gov\/case-definitions\/lyme-disease-2022\/\">here<\/a>. All rates are calculated per 100,000 population based on the U.S. Census Bureau\u2019s population estimates (Current year incidence rates and case count subject to change when new population estimates are published, and data is finalized).<\/p>\n\n\n\n   <\/td>\n\n\n\n  <\/tr>\n\n\n\n <\/tbody>\n\n\n\n<\/table>\n\n\n\n\n\n\n\n<p style=\"text-align: center;\"><em>Source: Delaware Department of Health and Social Services, Division of Public Health, Office of Infectious Disease Epidemiology, Delaware Electronic Reporting and Surveillance System<\/em><\/p>\n\n\n\n\n\n\n\n<p style=\"text-align: center;\">\u00a0<\/p>\n\n\n\n\n\n\n\n<p style=\"text-align: center;\">\u00a0<\/p>\n\n\n\n\n\n\n\n<h1 style=\"text-align: center;\"><strong>Spotted Fever Group Rickettsiosis: <\/strong><\/h1>\n\n\n\n\n\n\n\n<h1 style=\"text-align: center;\"><strong>Data and Statistics<\/strong><\/h1>\n\n\n\n\n\n\n\n<p style=\"margin-left: 0.5in; text-align: center;\">From 2019 to 2023, over 75 cases of Spotted Fever Group Rickettsiosis (SFGR) were reported in Delaware. In 2023, 5 cases of SFGR were reported in Delaware for an incidence rate of 0.5 cases per 100,000 population.<\/p>\n\n\n\n\n\n\n\n<h3 style=\"margin-left: 0.5in; text-align: center;\"><span style=\"color:#800000;\"><strong>Spotted Fever Group Rickettsiosis Case Count and Incidence Rates by Year and County, Delaware, 2019-2023<\/strong><\/span><\/h3>\n\n\n\n\n\n\n\n<table align=\"center\" border=\"1\" cellpadding=\"0\" cellspacing=\"0\">\n\n\n\n <tbody>\n\n\n\n  <tr>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p>\u00a0<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td colspan=\"4\" style=\"height:1px;\">\n\n\n\n   <p align=\"center\"><strong>CASE COUNTS<\/strong><\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"width:115px;height:1px;\">\n\n\n\n   <p align=\"center\"><strong>INCIDENT RATE PER 100,000 POPULATION*<\/strong><\/p>\n\n\n\n   <\/td>\n\n\n\n  <\/tr>\n\n\n\n  <tr>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\"><strong>YEAR<\/strong><\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\"><strong>NEW CASTLE<br>\n\n\n\n   COUNTY<\/strong><\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\"><strong>KENT<br>\n\n\n\n   COUNTY<\/strong><\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\"><strong>SUSSEX<br>\n\n\n\n   COUNTY<\/strong><\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\"><strong>STATE<\/strong><\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"width:115px;height:1px;\">\n\n\n\n   <p align=\"center\"><strong>STATE<\/strong><\/p>\n\n\n\n   <\/td>\n\n\n\n  <\/tr>\n\n\n\n  <tr>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\"><strong>2023<\/strong><\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">1<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">0<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">4<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">5<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"width:115px;height:1px;\">\n\n\n\n   <p align=\"center\">0.5<\/p>\n\n\n\n   <\/td>\n\n\n\n  <\/tr>\n\n\n\n  <tr>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\"><strong>2022<\/strong><\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">4<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">0<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">0<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">4<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"width:115px;height:1px;\">\n\n\n\n   <p align=\"center\">0.4<\/p>\n\n\n\n   <\/td>\n\n\n\n  <\/tr>\n\n\n\n  <tr>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\"><strong>2021<\/strong><\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">7<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">1<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">11<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">19<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"width:115px;height:1px;\">\n\n\n\n   <p align=\"center\">1.9<\/p>\n\n\n\n   <\/td>\n\n\n\n  <\/tr>\n\n\n\n  <tr>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\"><strong>2020<\/strong><\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">4<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">5<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">10<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">19<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"width:115px;height:1px;\">\n\n\n\n   <p align=\"center\">1.9<\/p>\n\n\n\n   <\/td>\n\n\n\n  <\/tr>\n\n\n\n  <tr>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\"><strong>2019<\/strong><\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">18<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">5<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">13<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"height:1px;\">\n\n\n\n   <p align=\"center\">36<\/p>\n\n\n\n   <\/td>\n\n\n\n   <td style=\"width:115px;height:1px;\">\n\n\n\n   <p align=\"center\">3.7<\/p>\n\n\n\n   <\/td>\n\n\n\n  <\/tr>\n\n\n\n  <tr>\n\n\n\n   <td colspan=\"6\" style=\"width:450px;height:1px;\">\n\n\n\n   <p>* Rates based on small numbers (less than 20) result in a large relative standard error, indicating an imprecise estimate that is unstable and unreliable.<\/p>\n\n\n\n\n\n\n\n   <p>+ These data include confirmed and probable cases according to national surveillance case definitions adopted by the Council of State and Territorial Epidemiologists (CSTE). The Spotted Fever Group Rickettsiosis (SFGR) case definition may be found <a href=\"https:\/\/ndc.services.cdc.gov\/case-definitions\/spotted-fever-rickettsiosis-2020\/\">here<\/a>. Spotted Fever Group Rickettsiosis was previously called Rocky Mountain Spotted Fever. All rates are calculated per 100,000 population based on the U.S. Census Bureau\u2019s population estimates (Current year incidence rates and case count subject to change when new population estimates are published, and data is finalized).<\/p>\n\n\n\n   <\/td>\n\n\n\n  <\/tr>\n\n\n\n <\/tbody>\n\n\n\n<\/table>\n\n\n\n\n\n\n\n<p style=\"text-align: center;\"><em>Source: Delaware Department of Health and Social Services, Division of Public Health, Office of Infectious Disease Epidemiology, Delaware Electronic Reporting and Surveillance System<\/em><\/p>\n\n\n\n\n\n\n\n<div>\u00a0<\/div>\n\n\n\n\n\n\n\n<h2 style=\"text-align: center;\"><span style=\"font-family:arial,helvetica,sans-serif;\"><strong>Office of Infectious Disease Epidemiology<\/strong><\/span><\/h2>\n\n\n\n\n\n\n\n<h2 style=\"text-align: center;\"><span style=\"font-family:arial,helvetica,sans-serif;\"><strong>24\/7 Emergency Contact Number: 1-888-295-5156<\/strong><\/span><\/h2>\n\n\n\n\n\n\n\n<p style=\"text-align: center;\"><span style=\"font-size:28px;\"><a href=\"\/dph\/epi\/epi.html\">Return to Epidemiology Home Page<\/a><\/span><\/p>\n\n\n\n<br>\n\n\n\n\n\n\n\n  <!--[END]-->\n\n\n  \n\n\n      <\/div>\n\n\n    <\/div>\n\n\n  <\/div><!-- \/container -->\n\n\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Listen Tick-Borne Diseases Public Health Menu Home About About DPH Sections &#038; Programs Office Locations Contact Info Calendar Services A-Z Services Air &#038; Water Quality Birth, Death, &#038; Marriage Records Clinics Health Data &#038; Statistics Emergency Preparedness Health &#038; Wellness Healthy Homes Healthy Workplaces Laboratory Restaurant Inspections Screening and Testing WIC Additional Services Information A-Z [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"parent":9615,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-9641","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/dhss.delaware.gov\/dph\/wp-json\/wp\/v2\/pages\/9641","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dhss.delaware.gov\/dph\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/dhss.delaware.gov\/dph\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/dhss.delaware.gov\/dph\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/dhss.delaware.gov\/dph\/wp-json\/wp\/v2\/comments?post=9641"}],"version-history":[{"count":1,"href":"https:\/\/dhss.delaware.gov\/dph\/wp-json\/wp\/v2\/pages\/9641\/revisions"}],"predecessor-version":[{"id":10856,"href":"https:\/\/dhss.delaware.gov\/dph\/wp-json\/wp\/v2\/pages\/9641\/revisions\/10856"}],"up":[{"embeddable":true,"href":"https:\/\/dhss.delaware.gov\/dph\/wp-json\/wp\/v2\/pages\/9615"}],"wp:attachment":[{"href":"https:\/\/dhss.delaware.gov\/dph\/wp-json\/wp\/v2\/media?parent=9641"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}