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Bacterial Interference Induced in Embryonated Eggs by Staphylococci
William R. McCabe
William R. McCabe
Published March 1, 1967
Citation Information: J Clin Invest. 1967;46(3):453-462. https://doi.org/10.1172/JCI105547.
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Research Article

Bacterial Interference Induced in Embryonated Eggs by Staphylococci

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Abstract

Studies of experimental infections in embryonated eggs demonstrated that prior allantoic infection with avirulent staphylococci afforded significant protection against subsequent challenge with virulent strains. All strains of coagulase-positive and coagulase-negative staphylococci tested that were relatively avirulent for embryonated eggs were capable of producing interference. The interference induced afforded protection not only against challenge with virulent staphylococci, but also against Diplococcus pneumoniae, Salmonella typhimurium, Escherichia coli, Proteus mirabilis, and one strain of influenza virus (A2J 305). Prior allantoic infection with avirulent staphylococci also protected against intravenous as well as allantoic infection with challenge strains.

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William R. McCabe

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