outbreak presentation template all red text, and text with in [brackets] provide guidance and should...
TRANSCRIPT
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]
Table 1. Cases of [Salmonella Saintpaul], as of [August 25, 2008]
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] • Confirmed 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]
Clinical Features• Hospitalized: [286 ] • Deaths: [0 ]
Municipality Confirmed Cases
Probable Cases
Total
[Munic 1]
[Munic 2]
[Munic 3]
Total 1442 300
Outbreak Overview
*percentage based on number of cases for whom outcome is known
Table 3. Patient outcomes for cases of [E.coli O157:H7] infection of [August 25, 2008]
Table 2. Demographics for cases of [Salmonella Saintpaul] as of [August 25, 2008]
DemographicsAge, range (median) 2-57 (14)
Gender, n (%) Female 39 (72%) Male 15 (28%)
Outcomes n (%)*Hospitalized 25 (57)HUS 7 (18)Died 0 (0)
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%
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)
Provide age and gender in demographic break-down. For age, use range and median (unless age is normally distributed, then use average
, (n=54)
, (n=44)Can include other important clinical outcomes associated with the cause of the outbreak, for instance HUS for an outbreak of E. coli O157.
26-75 cases 5-25 cases 1-4 cases
AR21
AZ59
CA16
CT5
FL4
GA42
ID6
IL120
WI13
KS21
KY2
MD39
MA31
MI28
MO20
NH6
NJ16
NM106
NY41
NC28
OH10
OK38
OR11
PA15
RI3
TN10
TX559
UT3 VA
31
VT2
WA18
IN21
DC1
NV14
76 or more cases
Cases infected with the outbreak strain of Salmonella Bareilly United States, by state,
as of : [Date], (n= [Count]) ME1
MN31
AL8
SC2
IA2
LA3
WV1
MS2
MT1
CO17
NM115
Categories and key should be relative to size of outbreak; categories should make sense
If possible make a map of the outbreak. It can include case counts, or even better attack rates (Number of cases per susceptible population).
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])
0
5
10
15
20
25
30
35
40
45
50
4/1
4/8
4/15
4/22
4/29 5/
65/
135/
205/
27 6/3
6/10
6/17
6/24 7/
17/
87/
157/
227/
29 8/5
8/12
8/19
8/26
Estimated onset date*, N=366
Reported onset date, N=1041
Date of illness onset
Number of persons NM Media Release(May 31, 2008)Nationwide alert on tomatoes(June 7, 2008)
CDC warning on Jalapeño, Serrano peppers(July 9, 2008)
Mark important events
Could also be broken into possible and confirmed cases
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]