viral disease

• measles

  caused by virus
• symptoms

  • red skin rash
  • fever
• how is measles spread

  sneeze and cough droplets
• symptoms of HIV

  • flu like symptoms
  • fever
  • sore throat
• how is HIV spread

  • bodily fluids
  • sexual contact
  • sharing needles
• why is HIV bad

  it attacks the immune cells
• how is HIV controlled

  antiretroviral drugs
• symptoms of TMV

  • discoloured mosaic pattern on leaves
• why is TMV bad

  the discoloured pattern on leaves means that theres less chlorophyll available for photosynthesis which affects growth as it produces less glucose