état (1) peau (1) établissement scolaire (1) épuration (1) santé publique (1) famille (1) enfant (1) Polymerase chain reaction (1) Staphylococcus aureus (1) Staphylococcus (1) Skin (1) School children (1) Public health (1) Human beings (1) Families (1) Epidemics (1) Electrophoresis (1) Bacterial toxins (1) Use (1) Purification (1) Infections (1) Family (1)