Disease or symptoms specimens septicemia Blood specimen espiratory tract infection Sputum specimen urinary infection mid-stream urine digestive tract infection vomitus or stool purulent infection us secreta form STD Urogenital Tract epidemic meningitis CSF or blood enteric fever Blood(1-2weeks) Stool (2-3weekssepticemia epidemic meningitis enteric fever Blood specimen Disease or symptoms specimens respiratory tract infection Sputum specimen urinary infection mid-stream urine digestive tract infection vomitus or stool purulent infection pus STD secreta form Urogenital Tract CSF or blood Blood (1-2weeks) Stool (2-3weeks)