Viral diseases

• Measles


  Spread by droplets of liquid from sneezes and cough etc.
• Measles symptoms


  • Red rash on the skin
  • Fever
• Measles


  Can be serious or even fatal and it can lead to pneumonia
• Most people are vaccinated against measles when they are very young
• HIV


  Virus spread by sexual contact or exchanging body fluids
• HIV


  • Can be controlled by antiviral drugs
  • Stops the virus replicating
• Virus


  Attacks the cells in the immune system
• Immune system is badly damaged


  Body cannot cope with other infections
• Late stage


  Called Aids
• Tobacco Mosaic Virus (TMV)


  Virus that affects plants
• Tobacco Mosaic Virus (TMV)

  • Parts of the leaves become discoloured
  • Plants cannot carry out photosynthesis
  • Affects the plants growth
• Tobacco Mosaic Virus (TMV) affects plants