CT.gov Home dph Current: CT DPH Infectious Diseases Annual Statistics Archive Infectious Diseases Home Search Department of Public Health Search the current Agency with a Keyword Filtered Topic Search CT DPH Infectious Diseases Annual Statistics Archive Infectious Diseases Annual Statistics Archive Reportable Disease by Year 2023 2022 2021 2000-2005 1990-1999 1980-1989 Reportable Diseases by County and Year 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 Return to: Infectious Diseases Statistics Updated 10/21/2025
