Infectiou Disease Statistics

The Delaware Infectious Disease Statistics Page provides a comprehensive overview of the current status of infectious diseases within the state of Delaware. This page offers yearly statistical data, trends, and analyses related to various infectious diseases affecting the local population. Visitors can explore detailed reports on the number and incidence of infectious diseases. Visit the My Healthy Community page for additional interactive in-depth data on COVID-19, Influenza, and more. For additional data visit https://wonder.cdc.gov/.

Infectious Disease Yearly Statistics
Number of Delaware Cases Statewide 2020-2022
Reportable Condition	2020	2021	2022
Brucellosis	0	0	0
Varicella (Chickenpox)	18	32	8
Diphtheria	0	0	0
Hepatitis B, acute	8	5	6
Hepatitis C, acute	50	59	20
Hepatitis C, acute, Confirmed	49	58	17
Hepatitis C, acute, Probable	1	1	3
Hepatitis B, perinatal infection	0	0	0
Hepatitis B virus infection, chronic	153	214	202
Hepatitis C, Chronic	30	1001	801
Hepatitis A, acute	28	9	12
Malaria	8	7	11
Measles (rubeola)	0	0	0
Measles (rubeola), Imported	0	0	0
Measles (rubeola), Indigenous	0	0	0
Meningococcal disease (Neisseria meningitidis)	1	0	0
Meningococcal disease (Neisseria meningitidis), Serogroup ACWY	0	0	0
Meningococcal disease (Neisseria meningitidis), Serogroup B	0	0	0
Meningococcal disease (Neisseria meningitidis), Serogroup Other	0	0	0
Meningococcal disease (Neisseria meningitidis), Serogroup Unknown	1	0	0
Mumps	15	1	1
Pertussis	17	6	2
Rubella	0	0	0
Tetanus	0	0	0
Tularemia	1	0	0
Spotted Fever Rickettsiosis	19	31	18
Spotted Fever Rickettsiosis, Confirmed	0	1	0
Spotted Fever Rickettsiosis, Probable	19	18	4
Q fever, acute	0	0	2
Q fever, chronic	0	0	0
Trichinellosis	0	0	0
Chancroid	0	0	0
Chlamydia trachomatis infection	4855	4880	5176
Gonorrhea	1503	1541	1462
Syphilis, primary	51	81	146
Syphilis, secondary	46	48	92
Syphilis, early non-primary, non-secondary	70	89	55
Syphilis, unknown duration or late	0	1	138
Anthrax	0	0	0
Rubella, congenital syndrome	0	0	0
Hansen's disease (Leprosy)	0	1	0
Leptospirosis	0	1	1
Poliovirus infection, nonparalytic	0	0	0
Poliomyelitis, paralytic	0	0	0
Plague	0	0	0
Psittacosis (Ornithosis)	0	0	0
Rabies, human	0	0	0
Cholera (toxigenic Vibrio cholerae O1 or O139)	0	0	0
Legionellosis	15	26	19
Toxic-shock syndrome (other than streptococcal)	0	0	0
Botulism, foodborne	0	0	0
Botulism, infant	1	2	3
Botulism, other (includes wound)	0	0	0
Severe Acute Respiratory Syndrome (SARS)-associated Coronavirus disease (SARS-CoV)	0	0	0
Haemophilus influenzae, invasive disease	9	7	25
Haemophilus influenzae, invasive disease, Age < 5 years, Non-B Serotype	0	0	0
Haemophilus influenzae, invasive disease, Age < 5 years, Nontypeable	0	0	0
Haemophilus influenzae, invasive disease, Age < 5 years, Serotype B	0	0	0
Haemophilus influenzae, invasive disease, Age < 5 years, Unknown Serotype	0	2	2
Listeriosis	1	8	3
Listeriosis, Confirmed	1	8	3
Listeriosis, Probable	0	0	0
Shigellosis	10	21	30
Campylobacteriosis	144	184	225
Lyme disease	364	367	396
Lyme disease, Confirmed	347	59	0
Lyme disease, Probable	7	81	298
Ehrlichia chaffeensis	28	32	23
Ehrlichia ewingii	1	0	0
Anaplasma phagocytophilum	5	12	19
Ehrlichiosis/Anaplasmosis, undetermined	0	0	0
Vibriosis (any species of the family Vibrionaceae, other than toxigenic Vibrio cholera O1 or O139)	17	25	12
Vibriosis (any species of the family Vibrionaceae, other than toxigenic Vibrio cholera O1 or O139), Confirmed	10	18	10
Vibriosis (any species of the family Vibrionaceae, other than toxigenic Vibrio cholera O1 or O139), Probable	7	7	2
Hemolytic uremic syndrome postdiarrheal	0	0	0
Shiga toxin-producing Escherichia coli (STEC)	22	21	26
Giardiasis	24	36	29
Cyclosporiasis	1	5	4
Cryptosporidiosis	25	23	42
Cryptosporidiosis, Confirmed	20	17	17
Cryptosporidiosis, Probable	5	6	25
Hantavirus pulmonary syndrome	0	0	0
Hantavirus infection, non-Hantavirus Pulmonary Syndrome	0	0	0
Ebola hemorrhagic fever	0	0	0
Marburg fever	0	0	0
Lassa fever	0	0	0
Machupo hemorrhagic fever	0	0	0
JunÃn hemorrhagic fever	0	0	0
Sabia-associated hemorrhagic fever	0	0	0
Crimean-Congo hemorrhagic fever	0	0	0
Lujo virus	0	0	0
Guanarito hemorrhagic fever	0	0	0
Chapare hemorrhagic fever	0	0	0
Vancomycin-intermediate Staphylococcus aureus (VISA)	0	0	0
Vancomycin-resistant Staphylococcus aureus (VRSA)	0	0	0
Streptococcal toxic shock syndrome	0	0	0
Invasive pneumococcal disease	58	74	93
Invasive pneumococcal disease, Age < 5 years	3	3	2
Smallpox	0	0	0
Coccidioidomycosis	0	0	0
Babesiosis	4	7	4
Babesiosis, Confirmed	3	3	1
Babesiosis, Probable	1	1	0
Carbapenemase-producing carbapenem-resistant Enterobacteriaceae (CP-CRE)	26	9	15
Hepatitis C, perinatal infection	1	4	4
Candida auris, clinical	0	2	6
Salmonellosis (excluding S. Typhi infection and S. Paratyphi infection)	194	191	215
Salmonella enterica serotypes Paratyphi A, B (tartrate negative) and C (S. Paratyphi) infection	1	0	0
Salmonella enterica Typhi (S.Typhi) infection	1	2	0

Delaware Infectious Disease counts also publicly available at https://wonder.cdc.gov/

Infectiou Disease Statistics

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Infectious Disease Yearly Statistics

Number of Delaware Cases Statewide 2020-2022

Delaware's Government