Pathogens are tiny microorganisms, usually either bacteria or viruses.
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What happens once pathogens are inside the body?
They reproduce rapidly and may produce toxins (poisons) that make you feel ill.
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Where inside the body do viruses reproduce and what happens?
Viruses reproduce inside the cells and damage them.
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Why is it important to wash hands?
Washing hands removes pathogens from them.
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Who was the first doctor to realise that washing hands removes pathogens from them?
Semmelweiss.
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What do pathogens cause?
Infectious diseases.
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Which are smaller, bacteria or viruses?
Viruses are much smaller than bacteria and reproduce inside cells, causing damage to the cells also make you ill.
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How did Semmelweiss realise that hand washing would reduce the spread of infection?
Despite there being no knowledge of bacteria and viruses at that time, Semmelweis realised that infection could be transferred from person to person in a hospital.
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What did Semmelweiss do when he realised that infection could spread between patients?
He instructed his staff to wash their hands between treating patients.
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How do pathogens make you feel ill?
They produce toxins/damage cells.
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Why did it take a long time for others to accept the ideas of Semmelweiss?
No-one knew about bacteria and viruses.
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Other cards in this set
Card 2
Front
What happens once pathogens are inside the body?
Back
They reproduce rapidly and may produce toxins (poisons) that make you feel ill.
Card 3
Front
Where inside the body do viruses reproduce and what happens?
Back
Card 4
Front
Why is it important to wash hands?
Back
Card 5
Front
Who was the first doctor to realise that washing hands removes pathogens from them?
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