Case Counts

The Infectious Diseases & Outbreaks Division monitors the incidence and prevalence of communicable, zoonotic, and environmentally-related human diseases. This table summarizes cases reported over the last five years, as well as the cases reported year-to-date this year and last year.

	Cases Reported Year-to-Date*			Totals by Year Reported
Condition	2024	2023	% Change	2023	2022	2021	2020	2019
Acute Flaccid Myelitis	0	0	--	0	2	1	0^	0^
Anthrax	0	0	--	0	0	0	0	0
Arboviral Diseases (excludes Chikungunya virus, Dengue, and Zika virus)	0	1	-100.0%	32	5	12	10	6
Babesiosis	2	1	100.0%	1	0	1	1	4
Botulism	0	0	--	2	2	0	1	1
Brucellosis	0	0	--	1	0	1	1	4
Campylobacteriosis	246	259	-5.0%	879	813	745	665	754
Chikungunya virus - travel related, acquired out of state	0	1	-100.0	1	0	0	0	0
Cholera	0	0	--	0	0	0	0	0
Coccidioidomycosis	2	2	0.0%	12	12	13	5	9
Cryptosporidiosis	52	63	-17.5%	213	158	125	138	225
Cyclosporiasis	0	7	-100.0%	140	19	6	9	4
Dengue - travel related, acquired out of state	1	1	0.0%	5	5	1	0	3
E. coli, shiga toxin-producing (includes O157: H7)	33	43	-23.3%	169	161	143	100	138
Ehrlichiosis/Anaplasmosis	1	0	--	5	11	24	12	39
Hansen's Disease (Leprosy)	0	0	--	2	0	0	1	1
Hemolytic uremic syndrome (HUS)	0	0	--	6	10	3	3	6
Influenza-associated pediatric mortality	1	1	0.0%	1	3	0	1	2
Legionellosis	17	15	13.3%	66	65	89	61	72
Listeriosis	1	4	-75.0%	16	12	12	14	7^
Lyme disease	7	8	-12.5%	36	32	51	15	66
Malaria - travel related, acquired out of state	1	5	-80.0%	11	8	8	2	9
Novel Influenza A virus infection	0	0	--	0	0	0	0	0
Paratyphoid Fever	0	0	--	0	2	2	1	1^
Plague	0	0	--	0	0	0	0^	0
Primary Amebic Meningoencephalitis (Naegleria fowleri)	0^	--	--	--	--	--	--	--
Q fever	0	1	-100.0%	2	3	2	0	2
Rabies, animal	7	12	-41.7%	38	45	44	51	50
Rabies, human	0	0	--	0	0	0	0	0
Salmonellosis	152	167	-9.0%	879	996	861	891	1001
Severe Acute Respiratory Syndrome-associated Coronavirus (SARS-CoV)	0	0	--	0	0	0	0	0
Shigellosis	35	29	20.7%	100	81	88	346	433
Smallpox	0	0	--	0	0	0	0	0
Spotted Fever Rickettsiosis	6	21	-71.4%	81	118	122	90	476^
Trichinellosis (Trichinosis)	0	0	--	0	0	1	0	0
Tularemia	0	0	--	1	3	0	1	4
Typhoid fever	0	0	--	2	0	3	1	0
Vibriosis (non-Cholera)	9	13	-30.8%	37	41	34	26	41^
Viral hemorrhagic fever	0	0	--	0	0	0	0	0
VISA (Staphylococcus aureus, vancomycin-intermediate)	0	0	--	1	1	1	0	1
VRSA (Staphylococcus aureus, vancomycin-resistant)	1	0	--	0	0	1	1	2
Yellow Fever	0	0	--	0	0	0	0	0^
Zika virus - travel related, acquired out of state	0	0	--	0	0	0	0	0
Other Investigations	1	1	0.0%	5	0	1	0	3
Total	575	655	-12.2%	2744	2608	2395	2447	3360
NOTE: Counts include finalized investigations among Alabama residents as of May 6, 2024. The Other investigations category includes a variety of conditions or events that have been investigated, but are not reportable in Alabama or do not fall into any other category (e.g., Histoplasmosis, Streptococcal toxic-shock syndrome, Yersiniosis, etc.). To see case counts for conditions investigated by other divisions, please see the following websites: Tuberculosis, Immunizations, Sexually Transmitted Diseases, and HIV/AIDS.
*Through MMWR Week 18 (week ending May 4, 2024), as compared to the same time period in the previous calendar year.
^The case definition was updated this year for this condition.

Page last updated: May 7, 2024