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- pneumonie- bronchite - otite- méningite- infection urinaire- panarisLes bactéries pathogènes pénètrent dans l'organisme par l'intermédiaire des plaies, de la nourriture, des relations sexuelles et de l'air que l'on respire. —> se dirige ensuite vers les cellules et les tissus spécifiques pour se protéger des mécanismes de défense du corps humain.
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