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 |
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Condition |
2021 |
2020 |
% Change |
2020 |
2019 |
2018 |
2017 |
2016 |
|
Acute Flaccid Myelitis |
0 |
0^ |
-- |
0^ |
0^ |
-- |
-- |
-- |
|
Anthrax |
0 |
0 |
-- |
0 |
0 |
0^ |
0 |
0 |
|
Arboviral Diseases (excludes Chikungunya virus, Dengue, and Zika virus) |
9 |
6 |
50.0% |
10 |
6 |
28 |
62 |
18^ |
|
Babesiosis |
0 |
1 |
-100.0% |
1 |
0 |
0 |
1 |
0 |
|
Botulism |
0 |
0 |
-- |
1 |
1 |
0 |
0 |
1 |
|
Brucellosis |
0 |
0 |
-- |
1 |
4 |
1 |
0 |
0 |
|
Campylobacteriosis |
498 |
459 |
8.5% |
663 |
754 |
783 |
790 |
692 |
|
Chikungunya virus |
0 |
0 |
-- |
0 |
0 |
0 |
1 |
1^ |
|
Cholera |
0 |
0 |
-- |
0 |
0 |
0 |
0 |
0 |
|
Coccidioidomycosis |
9 |
3 |
200.0% |
5 |
9 |
-- |
-- |
-- |
|
Cryptosporidiosis |
67 |
93 |
-28.0% |
137 |
225 |
152 |
189 |
334 |
|
Cyclosporiasis |
6 |
7 |
-14.3% |
9 |
4 |
-- |
-- |
-- |
|
Dengue |
1 |
0 |
-- |
0 |
3 |
2 |
0 |
5 |
|
E. coli, shiga toxin-producing (includes O157: H7) |
90 |
71 |
26.8% |
100 |
138 |
129^ |
31 |
39 |
|
Ehrlichiosis/Anaplasmosis |
19 |
11 |
72.7% |
12 |
39 |
24 |
17 |
21 |
|
Giardiasis |
98 |
78 |
25.6% |
130 |
164 |
217 |
191 |
234 |
|
Hansen's Disease (Leprosy) |
0 |
1 |
-100.0% |
1 |
1 |
0 |
1 |
1 |
|
Hantavirus Pulmonary Syndrome |
0 |
0 |
-- |
0 |
0 |
-- |
-- |
-- |
|
Hemolytic uremic syndrome (HUS) |
1 |
3 |
-66.7% |
3 |
6 |
3 |
0 |
6 |
|
Hepatitis E, acute |
0 |
0 |
-- |
0 |
0 |
0 |
0 |
0 |
|
Influenza-associated non-pediatric mortality |
24 |
18 |
33.3% |
19 |
93 |
257 |
-- |
-- |
|
Influenza-associated pediatric mortality |
0 |
1 |
-100.0% |
1 |
2 |
2 |
1 |
0 |
|
Legionellosis |
65 |
38 |
71.1% |
61 |
72 |
76 |
66 |
63 |
|
Leptospirosis |
0 |
0 |
-- |
0 |
0 |
1 |
0 |
0 |
|
Listeriosis |
9 |
11 |
-18.2% |
14 |
7^ |
11 |
5 |
8 |
|
Lyme disease |
36 |
9 |
300.0% |
15 |
66 |
36 |
39^ |
38 |
|
Malaria |
5 |
2 |
150.0% |
2 |
9 |
9 |
8 |
10 |
|
Novel Influenza A virus infection |
0 |
0 |
-- |
0 |
0 |
0 |
0 |
0 |
|
Paratyphoid Fever |
0 |
1 |
-100.0% |
2 |
0^ |
6^ |
3 |
9 |
|
Plague |
0 |
0^ |
-- |
0^ |
0 |
0 |
0 |
0 |
|
Psittacosis |
0 |
0 |
-- |
0 |
0 |
0 |
0 |
0 |
|
Q fever |
2 |
0 |
-- |
0 |
2 |
2 |
0 |
1 |
|
Rabies, animal |
33 |
44 |
-25.0% |
50 |
50 |
55 |
51 |
77 |
|
Rabies, human |
0 |
0 |
-- |
0 |
0 |
0 |
0 |
0 |
|
Salmonellosis |
545 |
543 |
0.4% |
881 |
1001 |
1198^ |
1129^ |
1276 |
|
Severe Acute Respiratory Syndrome-associated Coronavirus (SARS-CoV) |
0 |
0 |
-- |
0 |
0 |
0 |
0 |
0 |
|
Shigellosis |
55 |
321 |
-82.9% |
342 |
431 |
320 |
247^ |
239 |
|
Smallpox |
0 |
0 |
-- |
0 |
0 |
0 |
0 |
0 |
|
Spotted Fever Rickettsiosis |
90 |
73 |
23.3% |
90 |
476^ |
673 |
671 |
453 |
|
Toxic Shock Syndrome (non-streptococcal) |
0 |
0 |
-- |
0 |
0 |
-- |
-- |
-- |
|
Trichinellosis (Trichinosis) |
1 |
0 |
-- |
0 |
0 |
0 |
0 |
0 |
|
Tularemia |
0 |
0 |
-- |
1 |
4 |
0 |
1^ |
1 |
|
Typhoid fever |
1 |
0 |
-- |
1 |
0^ |
1 |
1 |
0 |
|
Vibriosis (non-Cholera) |
20 |
18 |
11.1% |
26 |
41 |
38 |
26^ |
31 |
|
Viral hemorrhagic fever |
0 |
0 |
-- |
0 |
0 |
0 |
0 |
0 |
|
VISA (Staphylococcus aureus, vancomycin-intermediate) |
1 |
0 |
-- |
0 |
1 |
1 |
4 |
3 |
|
VRSA (Staphylococcus aureus, vancomycin-resistant) |
0 |
1 |
-100.0% |
1 |
2 |
0 |
0 |
0 |
|
Yellow Fever |
0 |
0 |
-- |
0 |
0^ |
0 |
0 |
0 |
|
Zika virus |
0 |
0 |
-- |
0 |
0 |
3 |
4 |
41^ |
|
Other Investigations |
1 |
0 |
-- |
0 |
3 |
0 |
0 |
0 |
Total |
1686 |
1813 |
-7.0% |
2579 |
3614 |
4028 |
3539 |
3602 |
|
NOTE: Counts include finalized investigations among Alabama residents as of September 22, 2021. 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. |
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*Through MMWR Week 37 (week ending September 18, 2021), as compared to the same time period in the previous calendar year. |
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^The case definition was updated this year for this condition. |
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Page last updated: September 22, 2021
