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

2020

2019

% Change

2019

2018

2017

2016

2015

Acute Flaccid Myelitis

0^

0

--

0

--^

--

--

--

Anthrax

0

0

--

0

0^

0

0

0

Arboviral Diseases (excludes Chikungunya virus, Dengue, and Zika virus)

8

6

33.3%

6

28

62

18^

9^

Babesiosis

1

0

--

0

0

1

0

2

Botulism

1

1

0.0%

1

0

0

1

1

Brucellosis

1

4

-75.0%

4

1

0

0

2

Campylobacteriosis

643

754

-14.7%

754

783

790

692

589^

Chikungunya virus

0

0

--

0

0

1

1^

1^

Cholera

0

0

--

0

0

0

0

0

Coccidioidomycosis

4

9

-55.6%

9

--

--

--

--

Cryptosporidiosis

134

225

-40.4%

225

152

189

334

261

Cyclosporiasis

3

5

-40.0%

5

--

--

--

--

Dengue

0

3

-100.0%

3

2

0

5

3^

E. coli, shiga toxin-producing (includes O157: H7)

98

138

-29.0%

138

129^

31

39

40

Ehrlichiosis/Anaplasmosis

12

39

-69.2%

39

24

17

21

18

Giardiasis

117

164

-28.7%

164

217

191

234

188

Hansen's Disease (Leprosy)

1

1

0.0%

1

0

1

1

1

Hantavirus Pulmonary Syndrome

0

0

--

0

--

--

--

--

Hemolytic uremic syndrome (HUS)

3

6

-50.0%

6

3

0

6

3

Hepatitis E, acute

0

0

--

0

0

0

0

0

Influenza-associated non-pediatric mortality

18

93

-80.6%

93

257

--

--

--

Influenza-associated pediatric mortality

1

2

-50.0%

2

2

1

0

1

Legionellosis

54^

72

-25.0%

72

76

66

63

59

Leptospirosis

0

0

--

0

1

0

0

0

Listeriosis

12

7

71.4%

7^

11

5

8

5

Lyme disease

14

66

-78.8%

66

36

39^

38

25

Malaria

2

9

-77.8%

9

9

8

10

11

Novel Influenza A virus infection

0

0

--

0

0

0

0

0

Paratyphoid Fever

2

0

--

0^

6^

3

9

0

Plague

0^

0

--

0

0

0

0

0

Psittacosis

0

0

--

0

0

0

0

0

Q fever

0

2

-100.0%

2

2

0

1

0

Rabies, animal

50

48

4.2%

50

55

51

77

83

Rabies, human

0

0

--

0

0

0

0

0

Salmonellosis

855

1001

-14.6%

1001

1198^

1129^

1276

1151

Severe Acute Respiratory Syndrome-associated Coronavirus (SARS-CoV)

0

0

--

0

0

0

0

0

Shigellosis

339

431

-21.3%

431

320

247^

239

680

Smallpox

0

0

--

0

0

0

0

0

Spotted Fever Rickettsiosis

89^

476

-81.3%

476

673

671

453

288

Toxic Shock Syndrome (non-streptococcal)

0

0

--

0

--

--

--

--

Trichinellosis (Trichinosis)

0

0

--

0

0

0

0

0

Tularemia

1

4

-75.0%

4

0

1^

1

0

Typhoid fever

1

0

--

0^

1

1

0

0

Vibriosis (non-Cholera)

17

41

-58.5%

41

38

26^

31

19

Viral hemorrhagic fever

0

0

--

0

0

0

0

0

VISA (Staphylococcus aureus, vancomycin-intermediate)

0

1

-100.0%

1

1

4

3

2

VRSA (Staphylococcus aureus, vancomycin-resistant)

1

2

-50.0%

2

0

0

0

0

Yellow Fever

0

0

--

0^

0

0

0

0

Zika virus

0

0

--

0

3

4

41^

0^

Other Investigations

0

3

-100.0%

3

0

0

0

0

Total

2482

3613

-31.3%

3615

4028

3539

3602

3442

NOTE: Counts include finalized investigations among Alabama residents as of January 6, 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.

*Through MMWR Week 53 (week ending January 2, 2021), 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: January 6, 2021