Influenza

• What organism type is influenza?

  RNA virus with 3 main subgroups

  • within each subgroup there are many different antigen types
• How is influenza transmitted?

  • virus is propelled in droplets from coughs and sneezes
  • the virus survives better with low levels of UV light, as in winter
• How does influenza affect the body?

  • infects cells lining the upper respiratory tract
  • symptoms include sore throat, coughing, fever
• How can influenza be prevented?

  • hygiene: hand washing, cleaning surfaces regularly
  • quarantine
  • annual flu vaccine in autumn
• How can influenza be treated?

  • rest
  • keep warm
  • fluids