Table 4.

Serological characterization and PFGE results for all the sequential isolates from 16 persistent carriers

StudentGroup:type:subtypePFGE profile of all three strainsInference
October isolateAutumn isolateSpring isolate
S1B:NT:P1.9B:NT:P1.9B:NT:P1.9IndistinguishableContinued carriage
S2B:1:P1.4B:1:P1.4B:1:P1.4IndistinguishableContinued carriage
S3NG:1:P1.6NG:1:P1.16NG:1:P1.16IndistinguishableContinued carriage
S4B:1:P1.13B:1:P1.13B:NT:NSTIndistinguishableContinued carriage
S529E:NT:P1.529E:NT:NSTNG:NT:P1.2IndistinguishableContinued carriage
S6NG:NT:P1.1529E:NT:P1.1529E:NT:P1.9IndistinguishableContinued carriage
S7NG:NT:P1.5W135:NT:NSTNG:NT:NSTIndistinguishableContinued carriage
S8NG:4:NSTNG:NT:P1.15NG:4:NSTOct = springa Recolonization or simultaneous carriage
S9W135:NT:P1.3,6Y:NT:P1.2W135:NT:P1.3Oct = springa Recolonization or simultaneous carriage
S10NG:NT:P1.15NG:NT:P1.15NG:NT:P1.1DifferentHeterologous carriage
S11NG:2b:P1.16B:2b:P1.10B:2b:P1.10DifferentHeterologous carriage
S12Y:NT:NSTNG:1:P1.2,5NG:1:P1.2,5DifferentHeterologous carriage
S13B:NT:P1.9B:NT:P1.9W135:NT:P1.3DifferentHeterologous carriage
S14NG:15:NSTW135:NT:P1.3W135:15:P1.9DifferentHeterologous carriage
S15NG:4:NSTB:1:P1.13B:4:P1.15DifferentHeterologous carriage
S16B:NT:P1.16B:4:P1.16W135:NT:P1.2DifferentHeterologous carriage
  • ↵a October and spring isolates were indistinguishable.