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An explosive, common-source outbreak of pneumonia caused by a previously unrecognized bacterium affected primarily persons attending an American Legion convention in Philadelphia in July, 1976. Twenty-nine of 182 cases were fatal. Spread of the bacterium appeared to be air borne. The source of the bacterium was not found, but epidemiologic analysis suggested that exposure may have occurred in the lobby of the headquarters hotel or in the area immediately surrounding the hotel. Person-to-person spread seemed not to have occurred. Many hotel employees appeared to be immune, suggesting that the agent may have been present in the vicinity, perhaps intermittently, for two or more years.
D W Fraser, and
T R Tsai, and
W Orenstein, and
W E Parkin, and
H J Beecham, and
R G Sharrar, and
J Harris, and
G F Mallison, and
S M Martin, and
J E McDade, and
C C Shepard, and
P S Brachman
January 1978,
Anales de la Real Academia Nacional de Medicina,
D W Fraser, and
T R Tsai, and
W Orenstein, and
W E Parkin, and
H J Beecham, and
R G Sharrar, and
J Harris, and
G F Mallison, and
S M Martin, and
J E McDade, and
C C Shepard, and
P S Brachman
January 1980,
Postgraduate medicine,
D W Fraser, and
T R Tsai, and
W Orenstein, and
W E Parkin, and
H J Beecham, and
R G Sharrar, and
J Harris, and
G F Mallison, and
S M Martin, and
J E McDade, and
C C Shepard, and
P S Brachman
March 1989,
Lijecnicki vjesnik,
D W Fraser, and
T R Tsai, and
W Orenstein, and
W E Parkin, and
H J Beecham, and
R G Sharrar, and
J Harris, and
G F Mallison, and
S M Martin, and
J E McDade, and
C C Shepard, and
P S Brachman
January 1986,
Lancet (London, England),
D W Fraser, and
T R Tsai, and
W Orenstein, and
W E Parkin, and
H J Beecham, and
R G Sharrar, and
J Harris, and
G F Mallison, and
S M Martin, and
J E McDade, and
C C Shepard, and
P S Brachman
September 1946,
American journal of hygiene,
D W Fraser, and
T R Tsai, and
W Orenstein, and
W E Parkin, and
H J Beecham, and
R G Sharrar, and
J Harris, and
G F Mallison, and
S M Martin, and
J E McDade, and
C C Shepard, and
P S Brachman
August 1984,
American journal of public health,
D W Fraser, and
T R Tsai, and
W Orenstein, and
W E Parkin, and
H J Beecham, and
R G Sharrar, and
J Harris, and
G F Mallison, and
S M Martin, and
J E McDade, and
C C Shepard, and
P S Brachman
November 2012,
Praxis,
D W Fraser, and
T R Tsai, and
W Orenstein, and
W E Parkin, and
H J Beecham, and
R G Sharrar, and
J Harris, and
G F Mallison, and
S M Martin, and
J E McDade, and
C C Shepard, and
P S Brachman
January 1988,
Vojnosanitetski pregled,
D W Fraser, and
T R Tsai, and
W Orenstein, and
W E Parkin, and
H J Beecham, and
R G Sharrar, and
J Harris, and
G F Mallison, and
S M Martin, and
J E McDade, and
C C Shepard, and
P S Brachman
January 1981,
American journal of clinical pathology,
D W Fraser, and
T R Tsai, and
W Orenstein, and
W E Parkin, and
H J Beecham, and
R G Sharrar, and
J Harris, and
G F Mallison, and
S M Martin, and
J E McDade, and
C C Shepard, and
P S Brachman
April 1979,
Annals of internal medicine,
