Some laboratories had difficulty in determining mid-level vancomycin resistance in Enterococcus faecalis and reduced susceptibility to penicillin in Streptococcus pneumoniae.

• 部分实验室对粪肠球菌的万古霉素中度耐药和肺炎链球菌对青霉素敏感性降低的检测存在一定问题。