Describe 5 harmful effects of viruses in humans.

• Viruses can affect only certain cells in your body, like those of your upper respiratory system, causing common cold symptoms.
• They can affect your whole body, such as with an influenza virus, leaving you with all over muscle soreness and fever.
• A virus can attack your nervous system causing serious illness.
• The virus can kill too many cells, causing the organism to suffer ill effects.
• Some viruses, such as the AIDS virus or Ebola, can cause death.