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Investigating clusters of group A streptococcal disease

group A streptococcal header

INTRODUCTION   START INVESTIGATION

USING CALCULATOR

CALCULATOR FAQs
         

Calculator to estimate expected number of invasive group A streptococcus cases in county or region

 

Fill in the appropriate data to get the results:

 

  (Indicates a Required Field)

 

[Cases in current month should be in the range of 0-50]
*

 

[Cases in previous month should be in the range of 0-50]
*

 

(oF)

click here for weather data in your area; 1)click on your state 2) select table 3) select year
[Average temperature in previous month should be in the range of 0.0-100.0]

*

 

(minimum 250,000; counties may be combined)

click here for population data for your region
[Population in the region should be greater than 249000]

*

 

(square miles)

click here and scroll for census data
[The Region size for the population should be in the range of 50 - 10000]

*

 

click here for census data. Why do we ask? See FAQ's
[Percentage of African American should be in the range of 0 - 100]

*

 

click here and find "Persons below poverty line, percent"
[Percentage of population below povertyline should be in the range of 0 - 100]

*

 

May be left blank if unknown; a zero entry is different from a blank
[Percentage of HIV Positive cases should be in the range of 0 - 100]

 

May be left blank if unknown; a zero entry is different from a blank
[Percentage IVDU cases should be in the range of 0 - 100]

     

 
 

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Legal disclaimer: This website is intended as a tool to assist with a group A streptococcal investigation. A statistically significant finding may reflect that further investigation may be warranted; it should not be the sole indicator to determine a cluster or outbreak situation. Questions may be directed to your state health department or to the CDC Respiratory Diseases Branch at (404) 639-2215

 

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