1. What is a virus? Word of the Day: Pathogen= an organism or particle that causes disease Take notes if in red. Listen and ask questions about other colors

2. Virus You heard about ebola virus You know about the influenza virus and the AIDS virus. Did you know they are also using viruses to cure cancer and other disease.hg

3. Fun Fact: More than 3,000 Polio viruses could fit end to end - in a straight line - across the period at the end of this sentence. What is a virus?

4. Background First virus identified in 1892- why so late???? Millions of different kinds Are found everywhere Once were thought to be alive, but in 1935 shown to be non-living

5. Viral Diseases HepatitisRabies HIV/AIDSMeasles MeningitisHerpes Mononucleosis Chickenpox West NileColds Ebola Influenza-The Flu

6. Characteristics Definition of Virus: Viruses have a core of nucleic acid (genetic information) surrounded by a protein coat.

7. Picture Nucleic acid core (DNA or RNA) Protein coat (capsid)

8. How do they reproduce? Can’t grow or replicate on their own but can reproduce in another cell (host cell).

9. What size are they? Extremely small – smaller than bacteria and human cells

10. Virus Animation http://www.youtube.com/watch?v=Rpj0emEG ShQhttp://www.youtube.com/watch?v=Rpj0emEG ShQ

11. How does a virus attack? (Level 2/3)

13. Is a virus alive?

14. Assignment : Make a virus and show it attack a cell Make 1 virus 1 cell- label cell membrane, nucleus and cytoplasm Virus parts inside the cell Bacteriophage Virus