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Infectious Disease Epidemiology
Pertussis (Whooping cough) Statistics
 
Arizona is experiencing an increase in pertussis cases in 2005.  Due to an overall decline in cases in late August and September, the state wide outbreak ended on October 11, 2005.  The outbreak was declared on May 19, 2005.  This page contains statistical information in relation to the ongoing status of pertussis cases throughout the state.

Reported Pertussis Cases
(through 11/04/2005) 

 

2005 Year-to-Date 

    (as reported to ADHS)            

2000-2004
5-year median

(End of year) 
(as reported to ADHS)

Arizona

874

278

Apache

8

1

Cochise

2

0

Coconino

44

5

Gila

8

2

Graham

1

0

Greenlee

1

0

La Paz

1

0

Maricopa

455

127

Mohave

20

6

Navajo

3

1

Pima

281

35

Pinal

10

4

Santa Cruz

4

0

Yavapai

20

9

Yuma

16

1

Statewide Pertussis activity 2005

Pertussis incidence rates Arizona

 

White: No reported activity 
Yellow
:  0 - 10 reported cases per 100,000 population
(Cochise, Graham, Navajo, Pinal, La Paz)
Brown: 10 - 20 reported cases per 100,000 population
(Apache, Gila, Greenlee, Maricopa, Mohave, Santa Cruz, Yavapai, Yuma)
Red: Greater than 20 reported cases per 100,000 population (Coconino, Pima)

Date of onset of reported cases 
Data in epidemiological curve represent cases reported to ADHS with onset date.  Additional confirmed and probable cases reported to the county health departments will be added as information is received.  Suspect cases under investigation are not shown.      (11/04/2005 data; n=782)

 

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