Arizona Department of Health Services
Office of Infectious Disease Services
2009 Novel H1N1 Influenza Virus Update
August 26, 2009Summary of Cases and Epidemiologic Information
*New Cases
Total Confirmed Cases
ARIZONA
58
1,157
Apache
1
14
Cochise
0
3
Coconino
1
49
Gila
0
2
Graham
0
5
Greenlee
0
0
La Paz
0
1
Maricopa
43
682
Mohave
0
9
Navajo
5
33
Pima
8
178
Pinal
0
99
Santa Cruz
0
9
Yavapai
0
8
Yuma
0
65
*Cases identified during the previous seven days.
Total Confirmed Cases
(N=1,157)
Hospitalized Cases
(N=191)
Confirmed
Deaths
(N=20)
By Gender:
Female (number & percent)
561 (48%)
96 (50%)
12 (60%)
Male (number & percent)
538 (47%)
92 (48%)
8 (40%)
Unknown
58 (5%)
3 (2%)
0 (0%)
By Age:
Range
9 Days ? 86 Years
9 Days ? 77 Years
1 Year ? 77 Years
Mean
21 Years
26 Years
40 Years
Median
15 Years
19 Years
49.5 Years
By Age Group:
Aged 0 to 4 years
153 (13%)
47 (25%)
1 (5%)
5 to 24 years
655 (57%)
61 (32%)
5 (25%)
25 to 49 years
233 (20%)
40 (21%)
4 (20%)
50 to 64 years
89 (8%)
30 (16%)
7 (35%)
65 years or older
25 (2%)
13 (7%)
3 (15%)
Unknown
2 (0%)
0 (0%)
0 (0%)
By Race:
American Indian or Alaskan Native
152 (13%)
34 (18%)
4 (20%)
Asian or Pacific Islander
9 (1%)
0 (0%)
0 (0%)
Black or African American
34 (3%)
10 (5%)
2 (10%)
Hispanic or Latino
322 (28%)
70 (37%)
5 (25%)
White Non-Hispanic
203 (18%)
38 (20%)
4 (20%)
Other or Unknown
437 (38%)
39 (20%)
5 (25%)
Descriptive Statistics of Concurrent and Underlying Medical Conditions
All Confirmed Hospitalized Cases and Deaths
Hospitalized Cases
(N=191)
Confirmed Deaths
(N=20)
Concurrent and Underlying Medical Conditions:
Pneumonia at Time of Hospital Admission
65 (34%)
17 (85%)
Developed ARDS Prior to or While in Hospital
34 (18%)
16 (80%)
Asthma
45 (24%)
3 (15%)
Chronic Lung Disease
43 (23%)
8 (40%)
Chronic Heart Disease
31 (16%)
5 (25%)
Metabolic Disease (Including Diabetes)
43 (23%)
10 (50%)
Cancer in the Previous 12 Months
9 (5%)
3 (15%)
Immunosuppressive Condition (Including HIV Infection)
30 (16%)
4 (20%)
Neurological Disease
26 (14%)
8 (40%)
Other Chronic Disease
58 (30%)
12 (60%)
Medical Conditions Grouped Together:
≥2
144 (75%)
19 (95%)
Hospitalized Cases by Age Group
Children (≤18 Years)
(N=94)
Adults (>18 Years)
(N=97)
Concurrent and Underlying Medical Conditions:
Pneumonia at Time of Hospital Admission
31 (33%)
34 (35%)
Developed ARDS Prior to or While in Hospital
15 (16%)
19 (20%)
Asthma
27 (29%)
18 (19%)
Chronic Lung Disease
17 (18%)
26 (27%)
Chronic Heart Disease
9 (10%)
22 (23%)
Metabolic Disease (Including Diabetes)
4 (4%)
39 (40%)
Cancer in the Previous 12 Months
3 (3%)
6 (6%)
Immunosuppressive Condition (Including HIV Infection)
9 (10%)
21 (22%)
Neurological Disease
19 (20%)
7 (7%)
Other Chronic Disease
27 (29%)
31 (32%)
Medical Conditions Grouped Together:
≥2
65 (69%)
79 (81%)
Confirmed Deaths by Age Group
Children (≤18 Years)
(N=6)
Adults (>18 Years)
(N=14)
Concurrent and Underlying Medical Conditions:
Pneumonia at Time of Hospital Admission
6 (100%)
11 (79%)
Developed ARDS Prior to or While in Hospital
6 (100%)
10 (71%)
Asthma
1 (17%)
2 (14%)
Chronic Lung Disease
3 (50%)
5 (36%)
Chronic Heart Disease
2 (33%)
3 (21%)
Metabolic Disease (Including Diabetes)
0 (0%)
10 (71%)
Cancer in the Previous 12 Months
0 (0%)
3 (21%)
Immunosuppressive Condition (Including HIV Infection)
0 (0%)
4 (29%)
Neurological Disease
6 (100%)
2 (14%)
Other Chronic Disease
5 (83%)
7 (50%)
Medical Conditions Grouped Together:
≥2
6 (100%)
13 (93%)
Special Populations
Of the confirmed cases of novel H1N1 influenza described above, 9 are healthcare workers and 27 pregnant women. Cases in these populations were identified and investigated by local health departments and ADHS, especially early in the outbreak, to learn more about transmission and effects of this strain.
Resources
ADHS H1N1 Flu Webpage: http://www.azdhs.gov/flu/h1n1/index.htm
CDC H1N1 Flu Webpage: http://www.cdc.gov/h1n1flu/
Office of Infectious Disease Services
2009 Novel H1N1 Influenza Virus Update
August 26, 2009Summary of Cases and Epidemiologic Information
*New Cases
Total Confirmed Cases
ARIZONA
58
1,157
Apache
1
14
Cochise
0
3
Coconino
1
49
Gila
0
2
Graham
0
5
Greenlee
0
0
La Paz
0
1
Maricopa
43
682
Mohave
0
9
Navajo
5
33
Pima
8
178
Pinal
0
99
Santa Cruz
0
9
Yavapai
0
8
Yuma
0
65
*Cases identified during the previous seven days.
Total Confirmed Cases
(N=1,157)
Hospitalized Cases
(N=191)
Confirmed
Deaths
(N=20)
By Gender:
Female (number & percent)
561 (48%)
96 (50%)
12 (60%)
Male (number & percent)
538 (47%)
92 (48%)
8 (40%)
Unknown
58 (5%)
3 (2%)
0 (0%)
By Age:
Range
9 Days ? 86 Years
9 Days ? 77 Years
1 Year ? 77 Years
Mean
21 Years
26 Years
40 Years
Median
15 Years
19 Years
49.5 Years
By Age Group:
Aged 0 to 4 years
153 (13%)
47 (25%)
1 (5%)
5 to 24 years
655 (57%)
61 (32%)
5 (25%)
25 to 49 years
233 (20%)
40 (21%)
4 (20%)
50 to 64 years
89 (8%)
30 (16%)
7 (35%)
65 years or older
25 (2%)
13 (7%)
3 (15%)
Unknown
2 (0%)
0 (0%)
0 (0%)
By Race:
American Indian or Alaskan Native
152 (13%)
34 (18%)
4 (20%)
Asian or Pacific Islander
9 (1%)
0 (0%)
0 (0%)
Black or African American
34 (3%)
10 (5%)
2 (10%)
Hispanic or Latino
322 (28%)
70 (37%)
5 (25%)
White Non-Hispanic
203 (18%)
38 (20%)
4 (20%)
Other or Unknown
437 (38%)
39 (20%)
5 (25%)
Descriptive Statistics of Concurrent and Underlying Medical Conditions
All Confirmed Hospitalized Cases and Deaths
Hospitalized Cases
(N=191)
Confirmed Deaths
(N=20)
Concurrent and Underlying Medical Conditions:
Pneumonia at Time of Hospital Admission
65 (34%)
17 (85%)
Developed ARDS Prior to or While in Hospital
34 (18%)
16 (80%)
Asthma
45 (24%)
3 (15%)
Chronic Lung Disease
43 (23%)
8 (40%)
Chronic Heart Disease
31 (16%)
5 (25%)
Metabolic Disease (Including Diabetes)
43 (23%)
10 (50%)
Cancer in the Previous 12 Months
9 (5%)
3 (15%)
Immunosuppressive Condition (Including HIV Infection)
30 (16%)
4 (20%)
Neurological Disease
26 (14%)
8 (40%)
Other Chronic Disease
58 (30%)
12 (60%)
Medical Conditions Grouped Together:
≥2
144 (75%)
19 (95%)
Hospitalized Cases by Age Group
Children (≤18 Years)
(N=94)
Adults (>18 Years)
(N=97)
Concurrent and Underlying Medical Conditions:
Pneumonia at Time of Hospital Admission
31 (33%)
34 (35%)
Developed ARDS Prior to or While in Hospital
15 (16%)
19 (20%)
Asthma
27 (29%)
18 (19%)
Chronic Lung Disease
17 (18%)
26 (27%)
Chronic Heart Disease
9 (10%)
22 (23%)
Metabolic Disease (Including Diabetes)
4 (4%)
39 (40%)
Cancer in the Previous 12 Months
3 (3%)
6 (6%)
Immunosuppressive Condition (Including HIV Infection)
9 (10%)
21 (22%)
Neurological Disease
19 (20%)
7 (7%)
Other Chronic Disease
27 (29%)
31 (32%)
Medical Conditions Grouped Together:
≥2
65 (69%)
79 (81%)
Confirmed Deaths by Age Group
Children (≤18 Years)
(N=6)
Adults (>18 Years)
(N=14)
Concurrent and Underlying Medical Conditions:
Pneumonia at Time of Hospital Admission
6 (100%)
11 (79%)
Developed ARDS Prior to or While in Hospital
6 (100%)
10 (71%)
Asthma
1 (17%)
2 (14%)
Chronic Lung Disease
3 (50%)
5 (36%)
Chronic Heart Disease
2 (33%)
3 (21%)
Metabolic Disease (Including Diabetes)
0 (0%)
10 (71%)
Cancer in the Previous 12 Months
0 (0%)
3 (21%)
Immunosuppressive Condition (Including HIV Infection)
0 (0%)
4 (29%)
Neurological Disease
6 (100%)
2 (14%)
Other Chronic Disease
5 (83%)
7 (50%)
Medical Conditions Grouped Together:
≥2
6 (100%)
13 (93%)
Special Populations
Of the confirmed cases of novel H1N1 influenza described above, 9 are healthcare workers and 27 pregnant women. Cases in these populations were identified and investigated by local health departments and ADHS, especially early in the outbreak, to learn more about transmission and effects of this strain.
Resources
ADHS H1N1 Flu Webpage: http://www.azdhs.gov/flu/h1n1/index.htm
CDC H1N1 Flu Webpage: http://www.cdc.gov/h1n1flu/