Streptococcus viridans, gram-positive

Since 1987, gram-positive organisms are the predominant pathogens in sepsis and septic shock, accounting for approximately 50% of all cases. The causes are Staphylococcus aureus, Streptococcus pneumoniae, coagulase-negative staphylococci, and enterococci. Streptococcus pyogenes and viridans streptococci are less commonly involved. ... 

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