Viral, Fungal and protist diseases Flashcards
What is measles ? ( VIRAL DISEASE )
VIRAL disease, spread by droplets from infected person when they cough or sneeze
People with measles develop a red skin rash and show signs of fever
Measles can be serious or even fatal if there are complications, For example measles can lead to Pneumonia or brain infection called encephalitis
Most people are vaccinated against measles when they’re young
What is HIV ? ( VIRAL DISEASE )
( VIRAL DISEASE ) spread by sexual contact or by exchanging bodily fluids such as blood which can happen when people share needles when taking drugs
Initial flu like symptoms for few weeks, usually person doesn’t experience any symptoms for several years . During this time HIV is controlled by antiretroviral drugs which stop virus replicating in body.
This virus attacks immune system and if its badly damaged , it can’t cope with other infections or cancers . At this stage HIV virus is known as Aids
What is tobacco mosaic virus ? ( VIRAL DISEASE )
virus affects many species of plants e.g. tomato
Causes a mosaic pattern on plants and leaves - parts of leaves become discoloured
Decolourisation means plant can’t carry out photosynthesis as virus affects growth
