A Gram Positive Bacteria in the<unk> s Genus
In general, low virulence pathogens and likely Blood Culture Contaminant unless risk factor (21-50% of positive blood cultures are clinically significant)
Viridans-Group Streptococci
Streptococcus Genus
Staphylococcus
Staphylococcus aureus
Staphylococcus epidermidis
Methicillin-Sensitive Staphylococcus Aureus 
Streptococcus pneumoniae
Streptococcus anginosus