S ≤ 0, 5 mg/ L и R > 0, 5 mg/ L Streptococcus spp. различни от S. pneumoniae S ≤ 0, 25 mg/ L и R > 0, 5 mg/ L Enterococcus spp.
S ≤ 0, 5 mg/ l ir R > 0, 5 mg/ l Streptococcus spp., išskyrus S. pneumoniae S ≤ 0, 25 mg/ l ir R > 0, 5 mg/ l Enterococcus spp.