Streptococcus pneumoniae
including multi-drug resistant "Streptococcus pneumoniae" (MDRSP). MDRSP includes isolates previously known as PRSP (penicillin-resistant "Streptococcus pneumoniae"), and are strains resistant to two or more of the following antibiotics: penicillin, 2nd generation cephalosporins, e.g., cefuroxime, macrolides, tetracyclines and trimethoprim/sulfamethoxazole.