Viral Diseases (AQA GCSE Biology): Flashcards
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Practise the cards
12 cards from this deck
Why can't scientists cure viral diseases?
Why can't scientists cure viral diseases?
Viruses replicate inside cells; no medicines can cure them yet
Main symptoms of measles
Main symptoms of measles
High fever and red skin rash
How measles spreads
How measles spreads
Droplet infection from coughing or sneezing
Most effective measles prevention
Most effective measles prevention
Vaccination
Initial symptoms of HIV
Initial symptoms of HIV
Flu-like symptoms
What does AIDS stand for?
What does AIDS stand for?
Acquired Immunodeficiency Syndrome
Main ways HIV is transmitted
Main ways HIV is transmitted
Sexual contact or exchange of bodily fluids (blood)
Ways to prevent HIV spread
Ways to prevent HIV spread
Use condoms, don't share needles, screen blood
How antiretroviral drugs help HIV patients
How antiretroviral drugs help HIV patients
Slow virus replication, prevent progression to AIDS
What TMV does to plant leaves
What TMV does to plant leaves
Causes discolouration; affected areas can't photosynthesise
How TMV spreads
How TMV spreads
Contact between infected and healthy plants; insects as vectors
Ways to prevent TMV spread
Ways to prevent TMV spread
Good field hygiene, pest control, resistant plant strains