influenza

Question 1

flu symptoms

Answer 1

• fever
• sore throat
• runny nose
• cough
• headache
• muscle aches
• fatigue

Question 2

flu mode of transmission

Answer 2

• airbourne droplets in the air when an infected person coughs, sneezes or talks (indirect)
• touching surfaces contaminated by infected droplets including phones (indirect)
• touching or kissing someone infected (direct)

Question 3

flu life cycle

Answer 3

1. airborne droplets carry the viral particles in the air and can enter the respiratory tract during breathing
2. the virus attaches to the host cel using proteins
3. the cell then engulfs the virus by endocytosis
4. using the hosts cellular metabolism the viral rna begins to replicate and form proteins
5. then fully formed viruses assemble
6. these viruses then bud out of the cell and spread to other cells to continue the cycle via exocytosis