2. Viruses v. Bacteria Virusesv.Bacteria Size Type of Cell Living? Reproduction Very Small Larger, but still microscopic NOT A CELLProkaryote Non LivingLiving Invades host and makes copies of itself Binary fission (grow and split)

3. Virusv.Bacteria Treatment Prevention Benefits Example Drawing NONEAntibiotics Vaccines, good hygiene Vaccines, good hygiene NONE Helps with digestion (in stomach) Chickenpox, AIDS Streptococcus, e-coli, anthrax

4. Aids and HIV HIV stands for Human Immunodeficiency Virus It is the virus that causes AIDS HIV enters the body through the transmission of bodily fluids and attacks a specific type of immune cells called T Cells

5. T Cells T cells circulate in your body looking for cells that “don’t belong” They will attack and destroy invading bacterial cells and cancer cells When infected with HIV, the virus begins to reproduce within the T Cell (this destroys the T Cell)

6. The Onset of AIDS An infected person eventually reaches the point in which the body has too few T Cells to defend against invaders At this point the person has AIDS

7. AIDS AIDS stands for Acquired Immune Deficiency Syndrome AIDS is 100% fatal

8. Facts HIV is found in all body fluids (blood and semen- contain a much higher concentration of HIV) HIV is most commonly spread through: –sexual contact, contact with contaminated needles, mother to child during pregnancy, child birth and breast feeding HIV is not spread through: –Kissing,Shaking hands,Water fountains, Sneezing, or Insects