Research Article
Characteristics of Streptococcus pneumoniae Strains Colonizing Upper Respiratory Tract of Healthy Preschool Children in Poland
Table 3
Dynamics of phenotype prevalence of S. pneumoniae isolates in healthy preschool children in DCCs in following seasons.
| | | Number of isolates | | Phenotype | | DCC1 | | | DCC2 | | | DCC3 | | | DCC4 | | | | Autumn | Winter | Spring | Autumn | Winter | Spring | Autumn | Winter | Spring | Autumn | Winter | Spring |
| | 3 | S | 2 | 2 | — | — | — | — | 3 | 1 | — | 2 | 3 | 5 | | 6A | S | — | — | — | — | — | — | — | — | 1 | — | — | — | | 6B | S | 1 | 1 | 8 | 2 | 1 | — | — | 1 | — | — | — | — | | 6B | PECcTeCSxt | 1 | 1 | — | — | — | — | — | — | — | 9 | 9 | 6 | | 6B | ECcTe | — | — | 1 | — | 1 | 3 | — | — | — | — | — | — | | 6B | ECcTeSxt | — | — | — | — | — | — | 1 | 1 | — | — | — | — | | 6B | PECcTeSxt | — | — | — | — | — | — | — | — | 1 | — | — | — | | 6B | PECcTe | 1 | — | — | 4 | 2 | — | 1 | — | — | — | — | — | | 7F | S | — | — | — | 1 | — | 2 | — | — | — | — | — | — | | 9V | PSxt | — | — | — | — | 1 | 1 | — | — | — | 8 | 3 | 2 | | 11A | S | 4 | 2 | 4 | — | — | — | 3 | 1 | 3 | — | — | — | | 14 | P | 2 | 3 | 4 | — | 4 | 6 | — | 1 | 8 | — | — | — | | 14 | PSxt | 1 | — | — | — | 1 | 4 | 1 | — | — | 2 | 6 | 8 | | 15B | S | 3 | — | — | — | — | — | — | — | — | — | — | — | | 15B | Sxt | 3 | 2 | 3 | — | — | — | — | — | — | — | — | — | | 15B | PSxt | 1 | — | — | — | — | — | — | — | — | — | — | — | | 18C | SXT | 1 | 2 | 1 | — | — | — | — | — | — | — | — | — | | 19F | PECcTeCSxt | 4 | 2 | 7 | — | — | — | 1 | 7 | 8 | 6 | 4 | 1 | | 19F | PECcTeC | 1 | — | — | — | — | — | — | — | — | — | — | — | | 19F | Sxt | — | — | — | — | — | — | — | 1 | 5 | — | — | — | | 19F | TeCSxt | — | — | — | 7 | 3 | 8 | 2 | — | 1 | — | — | — | | 19F | ECcTeCSxt | — | — | — | — | — | — | — | — | — | 3 | 7 | 1 | | 23A | S | — | — | 1 | — | — | 1 | 1 | — | — | — | — | — | | 23A | ECcTeCSxt | — | — | — | — | — | — | — | — | — | — | — | 2 | | 23F | S | — | — | — | 3 | 4 | 6 | — | — | — | — | — | — | | 23F | SXT | — | — | — | — | — | — | — | — | — | 1 | — | — | | 23F | ECcTe | — | — | — | 1 | — | — | — | — | — | — | — | — | | 23F | ECcTeCSxt | — | — | — | — | — | — | — | — | — | 1 | — | — | | 23F | TeSxt | 2 | — | 1 | — | 1 | — | 3 | 2 | 3 | 1 | 1 | — | | 23F | TeCSxt | — | — | — | — | — | — | — | 2 | 1 | — | — | — |
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DCC: day care center; P: penicillin, E: erythromycin; Cc: clindamycin; Te: tetracycline; C: chloramphenicol; Sxt: cotrimoxazol; S: sensitive to all tested antibiotics.
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