Don't let the cold influenz ya!!
Sona & Shreya
What are viruses?
Structure
- Capsid prom coat
- DNA/RNA
- Enzyme
- Some have a lipid membrane
What do they to in a cell?
- Infect feels to make copies of themselves.
- Cause diseases in plants,animals and bacteria.
Reproduction
- The virus attaches to the host cell and injects DNA/RNA into the cell which causes the host cell to make copies of the virus, which breaks free and kills the host cell.
Size
- Viruses are very small, smaller than the cells they infect.
What they lack:
- Metabolism
- Cellular structures
- Respiration
- Immobile
- Reproduce DNA
- Digestion
All About Influenza
What's the virus?
Is it fatal?
Are there treatments?
How do you prevent it?
- The influenza virus
What are the symptoms?
- Fever
- Coughing
- Sore throat
- Body aches
- Headaches
How is it spread?
- Spread by droplets caused by coughing and sneezing which spreads from person to person
Is it fatal?
- It can be in elderly and young children. About 3,000 people die every year.
Are there treatments?
- Usually bed rest and lots of fluids work but doctors may prescribe antiviral medicines like Tamiflu and Relenza
How do you prevent it?
- You can prevent it with the flu vaccine.