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Nature. 1987 Feb 5-11;325(6104):536-7.

Role of Staphylococcus protease in the development of influenza pneumonia.

Abstract

In influenza the combined virus-bacterial pneumonia is approximately three times more common than primary viral pneumonia. The bacteria most commonly involved are Staphylococcus aureus, Streptococcus pneumoniae and Haemophilus influenzae. S. aureus co-infection is reported to have a fatality rate of up to 42% (ref. 2). It is thought that virus infection in the respiratory tract favours growth conditions for bacteria. In this letter data are presented which show that some S. aureus strains secrete a protease which exerts a decisive influence on the outcome of influenza virus infection in mice by cleavage activation of the virus haemagglutinin.

PMID:
3543690
DOI:
10.1038/325536a0
[Indexed for MEDLINE]

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