Streptococcus - Lives in a line, found in throat infections, Staphylococcus - Found in abscesses/boils- if spreads, can cause septicaemia, Streptococcus mutans - Stick to teeth in plaque, causes caries, Lysosyme - Antibacterial secretion, found in saliva and tears, Phagocytosis - White blood cells ingest invading micro organisms, Natural immunity - Born with immunity, Acquired immunity - Immunity gained from previous exposure, Vaccinated immunity - Gain immunity from injection of dead or weakened micro organisms, Acute infection - Occurs quickly and painfully, Chronic infection - Occurs slowly and painlessly, persistent, cannot be overcome, Sign - What we might see of an infection, Symptom - What we might feel of an infection,

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