GCSE Week 12 Pathogens and Disease

7/23/2019 GCSE Week 12 Pathogens and Disease

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Infectious diseases:

Infectious diseases are caused by path

transmitted from one person t





“…a specific term for an illnes

recognizable set of sy

A conditionin which

the normal

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Malaria: a disease causedby a protozoan parasite.

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Antiseptics prevent spread of infection -

by preventing microorganisms from

dividing (multiplying). We use them to swab

wounds and clean skin to prevent

infections.



1929… Alexander discovers penicil

antibiotic, from m

kills bacter

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What ar

Techn

Also Known as ‘sterile technique’.

Aseptic technique prevents contamina

The work area / The environment by th

The worker

The culture

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GCSE Week 12 Pathogens and Disease

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