Preventing and Treating Disease Learning Objectives: Recall some common infectious disease and the microbes that cause them. Recall that antibiotics (such as penicillin) are used to treat disease. Describe how to prevent the spread of disease. Explain how vaccines prevent illness.

Tuberculosis bacterium Infectious Diseases Infectious Disease Microbe Cold Cold Viruses Influenza (Flu) Influenza Virus Chicken Pox Chicken Pox Virus Food Poisoning Salmonella Bacterium E. Coli Bacterium Tuberculosis (TB) Tuberculosis bacterium Cholera Cholera bacterium AIDS HIV virus Athlete’s Foot A few types of fungi

Epidemics Epidemic = a widespread occurrence (outbreak) of an infectious disease What could cause an epidemic? How could you stop an epidemic?

Read the story of the Cholera outbreak

Review: How can disease spread? Contact Air Water Food Animals Bodily Fluids

How can you prevent the spread of disease?

How can you prevent the spread of disease? Good hygiene = such as washing your hands Chemical that kills bacteria: Antiseptic Antibacterial Disinfectant

How can infectious diseases be treated? Most infections your body’s immune system can deal with on it’s own. But sometimes it needs a little help. Painkillers = make you feel better but do not get rid of pathogens more quickly Antibiotics = medication that kills bacteria Antiviral = medication that is effective against viruses Antifungal = medication that is effective against fungus