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From 1974 through 1981, 4,089 isolates of Salmonella typhi were phage typed at the Centers for Disease Control and nine regional laboratories in the United States. The most prevalent types were degraded Vi (27%), E1 (20.6%), A (9.8%), C1 (5.7%), untypable Vi (3.5%), W form (3.5%), D1 (3.4%), B3 (3.4%), and F1 (2.4%). There were less than 2% of each of the remaining types. The distribution of phage types for this time period was similar to that seen in the periods 1966-1969 and 1970-1973, except that phage type B3 was one of the 10 most prevalent types in 1974-1981 but was not seen in 1966-1973. Phage typing is presently the most valuable laboratory tool for differentiation of strains of S. typhi in epidemiological studies.
F W Hickman-Brenner, and
J J Farmer
January 1988,
Microbiologica,
F W Hickman-Brenner, and
J J Farmer
November 1982,
MMWR. Morbidity and mortality weekly report,
F W Hickman-Brenner, and
J J Farmer
November 1983,
Ceskoslovenska epidemiologie, mikrobiologie, imunologie,
F W Hickman-Brenner, and
J J Farmer
October 1988,
Indian journal of pathology & microbiology,
F W Hickman-Brenner, and
J J Farmer
May 1999,
The New England journal of medicine,
F W Hickman-Brenner, and
J J Farmer
August 1985,
The Journal of the Medical Society of New Jersey,
F W Hickman-Brenner, and
J J Farmer
January 1962,
Przeglad epidemiologiczny,
F W Hickman-Brenner, and
J J Farmer
June 1982,
The American review of respiratory disease,
F W Hickman-Brenner, and
J J Farmer
January 1981,
Bulletin de la Societe de pathologie exotique et de ses filiales,
F W Hickman-Brenner, and
J J Farmer
January 1960,
Medycyna doswiadczalna i mikrobiologia,
