Viral And Fungal Diseases Flashcards
(13 cards)
How is measles spread?
Measles is spread by droplets from an infected person’s sneeze or cough
What are the affects of measles?
Red skin rash, and a fever (high temperature)
What can measles sometimes lead to?
Pneumonia (lung infection), or encephalitis (brain infection)
Most people are ____ against measles when they are ____
Vaccinated, young
What is HIV and how is it spread?
HIV is a virus spread by sexual contact, or by exchanging bodily fluids such as blood. This can happen when people share needles when taking drugs.
What symptoms does HIV cause?
Flu-like symptoms
What cells does HIV attack?
Immune cells
When the immune system is badly damaged, what is the HIV called?
Late stage HIV or AIDS
What is tobacco mosaic virus?
A virus that affects many species of plants.
What are the affects of tobacco mosaic virus?
It causes a mosaic pattern on the leaves of plants, part of the leaves become discoloured. The discolouration means the plant can’t carry out photosynthesis as well, so the virus affects growth
What is rose black spot?
Rose black spot is a fungus that causes black or purple spots to develop on the leaves of rose plants. The leaves can then turn yellow and drop off. This means less photosynthesis occurs, so the plant doesn’t grow very well.
How does rose black spot spread?
Water, and wind
How can rose black spot be treated?
Using fungicides, and by stripping the plant of its affected leaves. These leaves need to then be destroyed so that the fungus can’t be spread to other roses plants.