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

3^

0

--

0

--^

--

--

--

Anthrax

0

0

--

0

0^

0

0

0

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

6

6

0.0%

6

28

62

18^

9^

Babesiosis

1

0

--

0

0

1

0

2

Botulism

0

1

-100.0%

1

0

0

1

1

Brucellosis

0

4

-100.0%

4

1

0

0

2

Campylobacteriosis

511

634

-19.4%

754

783

790

692

589^

Chikungunya virus

0

0

--

0

0

1

1^

1^

Cholera

0

0

--

0

0

0

0

0

Coccidioidomycosis

3

6

-50.0%

9

--

--

--

--

Cryptosporidiosis

42

183

-77.0%

225

152

189

334

261

Cyclosporiasis

2

5

-60.0%

5

--

--

--

--

Dengue

0

3

-100.0%

3

2

0

5

3^

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

71

111

-36.0%

138

129^

31

39

40

Ehrlichiosis/Anaplasmosis

11

37

-70.3%

39

24

17

21

18

Giardiasis

63

133

-52.6%

164

217

191

234

188

Hansen's Disease (Leprosy)

1

0

--

1

0

1

1

1

Hantavirus Pulmonary Syndrome

0

0

--

0

--

--

--

--

Hemolytic uremic syndrome (HUS)

1

6

-83.3%

6

3

0

6

3

Hepatitis E, acute

0

0

--

0

0

0

0

0

Influenza-associated non-pediatric mortality

5

90

-94.4%

93

257

--

--

--

Influenza-associated pediatric mortality

1

2

-50.0%

2

2

1

0

1

Legionellosis

42^

59

-28.8%

72

76

66

63

59

Leptospirosis

0

0

--

0

1

0

0

0

Listeriosis

10

6

66.7%

7^

11

5

8

5

Lyme disease

7

61

-88.5%

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

46

42

9.5%

50

55

51

77

83

Rabies, human

0

0

--

0

0

0

0

0

Salmonellosis

644

841

-23.4%

1001

1198^

1129^

1276

1151

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

0

0

--

0

0

0

0

0

Shigellosis

325

247

31.6%

430

320

247^

239

680

Smallpox

0

0

--

0

0

0

0

0

Spotted Fever Rickettsiosis

80^

459

-82.6%

480

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

0

0

--

0^

1

1

0

0

Vibriosis (non-Cholera)

14

32

-56.3%

41

38

26^

31

19

Viral hemorrhagic fever

0

0

--

0

0

0

0

0

VISA (Staphylococcus aureus, vancomycin-intermediate)

0

0

--

1

1

4

3

2

VRSA (Staphylococcus aureus, vancomycin-resistant)

1

1

0.0%

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

1895

2987

-36.6%

3618

4028

3539

3602

3442

NOTE: Counts include finalized investigations among Alabama residents as of October 21, 2020. 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 42 (week ending October 17, 2020), 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: October 21, 2020