Reportable Infectious & Vaccine Preventable Disease Facts

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A period of extremely frigid temperatures is forecast to impact Connecticut between the afternoon of Saturday, December 21, through Tuesday, December 24. Governor Lamont is activating the state's severe cold weather protocol during this period. To locate a shelter or warming center in Connecticut, call 2-1-1 or visit 211ct.org.

The Federal Government has reopened COVIDtests.gov. Every household can order four over-the-counter COVID-19 tests for free. These tests are intended for use throughout the 2024 holiday season to detect currently circulating COVID-19 variants. Please visit COVIDtests.gov for your free test.

Reportable Infectious & Vaccine Preventable Disease Facts

To provide the most current information about these diseases, we have linked to the Centers for Disease Control and Prevention, and the Immunization Action Coalition. For disease information in other languages, we have also included a link to the National Institutes of Health.

Health Information in Multiple Languages

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

A

Acute flaccid myelitis

Anaplasma phagocytophilium

B

Borrelia miyamotoi disease

C

Campylobacteriosis

Carbapenem-resistant Acinetobacter

Carbapenem-resistant Enterobacteriaceae

Chickenpox Immunization Action Coalition fact sheet

Cryptosporidiosis

D

Diphtheria Immunization Action Coalition fact sheet

E

Eastern Equine Encephalitis (EEE)

Ehrlichia chaffeensis

Escherichia coli O157:H7

G

Group A streptococcus

Group B streptococcus

H

Haemophilus influenzae disease

Haemophilus influenzae type b (Hib) Immunization Action Coalition fact sheet

Hansen's disease (Leprosy)

Healthcare-associated infections

Hemolytic Uremic Syndrome (HUS)

Hepatitis A Immunization Action Coalition fact sheet

Hepatitis B Immunization Action Coalition fact sheet

Human Papilloma Virus (HPV)

Human Papilloma Virus (HPV) Immunization Action Coalition

I

Influenza disease (flu)

Influenza Immunization Action Coalition

L

Legionellosis (Legionnaires disease)

M

Measles Immunization Action Coalition fact sheet

Measles: Protect Yourself from Measles (English)

Measles: Protéjase del sarampión (Spanish)

Meningococcal disease

Meningococcal disease (bacterial meningitis) Immunization Action Coalition fact sheet

Mumps Immunization Action Coalition fact sheet

N

Norovirus illness

P

Pertussis Immunization Action Coalition fact sheet

Pneumococcal Disease

Polio Immunization Action Coalition

Q

R

Ricin poisoning

Rocky Mountain spotted fever (RMSF)

Rubella Immunization Action Coalition fact sheet

S

Shiga toxin-related disease

Shingles Immunization Action Coalition fact sheet

Saint Louis encephalitis

Staphylococcus aureus methicillin-resistant disease

Department of Corrections MRSA guidance

Staphylococcus aureus vancomycin-intermediate or -resistant (VISA/VRSA)

T

Tetanus Immunization Action Coalition fact sheet

V

Vibrio infection

Viral hemorrhagic fever

W

West Nile virus

Y

Z

Do not use these sources of disease information for self-diagnosis. Consult your health care provider with questions about these diseases.

The Immunization Program can be reached at 860-509-7929.

This page last updated 7/30/2019.