"On the other hand, if the pus gradually became watery, blood tinged and foul smelling, it was designated 'sanious'
[or 'ill-conditioned']
and the wound condition was considered unfavorable".It later came to be understood that "laudable" pus generally implied an invasion of relatively benign staphylococcus, while "ill-conditioned" pus usually meant the more dangerous streptococcus was present.