β溶血

英

β-hemolysis, β hemolysis

first aid step1 2006 p.137

• 1. Staphylococcus aureus (catalase and coagulase positive)
• 2. Streptococcus pyogenes (catalase negative and bacitracin sensitive)
• 3. Streptococcus agalactiae (catalase negative and bacitracin resistant)
• 4. Listeria monocytogenes (tumbling motility, meningitis in newborns, unpasteurized milk)