Outbreak Presentation Template
• All red text, and text with in [brackets] provide
guidance and should be replaced or removed.
• Template may not fit for every outbreak in
every setting, but can provide general
guidance on where to start.
Outbreak of [Salmonella Saintpaul]
infections,
[United States]
[August 1- November 25, 2008]
***Data are preliminary and subject to change; not for distribution. ***
[Salmonella] Overview
• [1.2 million illnesses and 400 deaths annually]
• [Many different sources]
– [Meat, poultry, produce, processed foods, animal
contact]
• [>2,500 serotypes of Salmonella enterica]
Outbreak Identification
• [August 1, 2008]
– [Health department received phone call reporting
cluster of 8 persons ill with diarrhea]
– [All 8 cases reported similar food exposure]
– [Laboratory testing confirmed all cases were
infected with Salmonella Saintpaul]
Outbreak Overview
Table 1. Cases of [Salmonella Saintpaul], as of
[August 25, 2008]
Municipality
Confirmed
Cases
Probable
Cases
•
–
–
–
Total
•
[Munic 1]
[Munic 3]
1442
person with [Salmonella Saintpaul] infection,
residing in [Location]
with illness onset (or isolation, if onset date
unknown) on [April 1, 2008 – present]
Confirmed case definition:
–
–
–
[Munic 2]
Total
Case Definitions:
Probable case definition:
person with [Salmonella Saintpaul] infection,
residing in [Location]
with illness onset (or isolation, if onset date
unknown) on [April 1, 2008 – present]
•
Case Counts:
[1442] confirmed cases from [5]
municipalities,
•
[300] confirmed cases from [5] municipalities,
•
Range of Onset Dates
Reported onset dates range from [April 16]
to [August 11, 2008]
300
•
•
Clinical Features
Hospitalized: [286 ]
Deaths: [0 ]
Table 2. Demographics for cases of [Salmonella Saintpaul] as of [August 25, 2008]
Demographics , (n=54)
Age, range (median) 2-57 (14)
Gender, n (%)
Female
Male
39 (72%)
15 (28%)
Provide age and gender in demographic break-down. For age,
use range and median (unless age is normally distributed, then
use average
Break down into
age categories as
appropriate for
the outbreak (i.e.,
if it’s not helpful
to look at all age
categories, don’t
do it for the sake
of doing it)
AgeGrp
Percent Female
<5 years
80%
5 to 9 years
58%
10 to 14 years
45%
15 to 19 years
91%
20 to 24 years
75%
25 to 29 years
100%
30 to 34 years
100%
35 to 39 years
67%
40 to 44 years
100%
45 to 49 years
100%
55 to 59 years
100%
Overall
72%
Table 3. Patient outcomes for cases of [E.coli O157:H7] infection of [August 25, 2008]
Outcomes, (n=44)
Hospitalized
HUS
Died
n (%)*
25 (57)
7 (18)
0 (0)
*percentage based on number of cases for whom outcome
is known
Can include other important clinical
outcomes associated with the cause of
the outbreak, for instance HUS for an
outbreak of E. coli O157.
Cases infected with the outbreak strain of
Salmonella Bareilly United States, by state,
as of : [Date], (n= [Count])
NH
6
WA
18
OR
11
If possible make a map of the
outbreak. It can include case
counts, or even better attack
rates (Number of cases per
susceptible population).
MT
1
MN
31
ID
6
NV
14
UT
3
CA
16
AZ
59
IA
2
CO
17
NM
NM
106
115
KS
21
OK
38
TX
559
ME
1
VT
2
WI
13
MI
28
OH
10 WV
VA
MO
KY 1 31
NC
20
2
TN
SC28
10
AR
21 MS AL GA 2
8 42
2
LA
3
FL
IL IN
120 21
4
1-4 cases
5-25 cases
26-75 cases
76 or more cases
Categories and key should be relative to
size of outbreak; categories should make
sense
MA
31
NY
41
PA
15
RI
3
CT
5
NJ
16
MD
39
DC
1
Confirmed and Probable cases of [Salmonella Saintpaul],
by date of illness onset, [Location], [Date Range]
(n=[1414] for whom information was reported as of [DATE])
NM Media Release Nationwide alert on
(May 31, 2008) tomatoes
(June 7, 2008)
Number of persons
50
45
40
Mark important
events
Estimated onset date*, N=366
Reported onset date, N=1041
35
30
25
Could also be broken into
possible and confirmed
cases
20
CDC warning on Jalapeño,
Serrano peppers
(July 9, 2008)
15
10
5
Date of illness onset
8/
26
8/
19
8/
12
8/
5
7/
29
7/
22
7/
15
7/
8
7/
1
6/
24
6/
17
6/
10
6/
3
5/
27
5/
20
5/
13
5/
6
4/
29
4/
22
4/
15
4/
8
4/
1
0
Public Health Response
• Measures taken to reduce the impact of the outbreak
included:
– [Improving the medical services provided to case-patients]
– [Recalling the contaminated food from stores]
– [Improving public awareness through radio
announcements and presentations at community health
centers]
Outbreak Conclusion
• [1742] cases of [Salmonella Saintpaul] infection were
identified.
• [The majority of cases were female, aged 20-40 years]
• Circumstances that may have promoted the outbreak of
infections include:
– [Contaminated Peppers used to make hot sauce]
• [Public health measures likely prevented additional illness]