Attack rates

An Outbreak of Hemorrhagic Fever in Africa ("Ebola")

Investigation of the first recognized outbreak of Ebola hemorrhagic fever, in Zaire (now DRC), 1976; a practical outbreak investigation

 

Objectives:

Investigation: 
Outbreak
Country: 
Congo, the Democratic Republic of The
Year: 
1981
Author (s): 

David Heyman and Wayne Brown

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Epidemic Measles in a Divided City ("Texarkana")

Measles outbreak in a community on the border of two states — the Arkansas side with required school immunization and high immunization rates, the Texas side without required immunization and low immunized rates, 1970.

Objectives

•    Discuss the advantages and disadvantages of using a sensitive and/or specific case definition in an epidemic investigation;

•    Calculate vaccine efficacy and discuss its interpretation; and

Investigation: 
Outbreak
Country: 
United States
Year: 
1971
Author (s): 

 Philip Landrigan, Lyle Conrad and John Witte

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An Outbreak of Jaundice in a Rural County ("West Branch Hepatitis") ("Omegaw County")

Community outbreak of hepatitis A associated with glazed pastries, 1968; an outbreak investigation in a community.

Objectives

•    Define the term “epidemic,”

•    Create a case definition and explain its importance in an outbreak investigation,

•    Draw and interpret an epidemic curve,

•    Calculate an attack rate,

Investigation: 
Outbreak
Country: 
United States
Year: 
1970
Author (s): 

Virgil Peavy, Fred Hoesly

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