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GERMS. Are EVERYWHERE Air, plants, food, soil, water, all surfaces Even in our BODIES ! Our immune system protects us against them except for a few nasties and those microbes that mutate. Germs . Bacteria Viruses Fungi Protozoa Helminths. Types of Germs / Microbes.
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Are EVERYWHERE Air, plants, food, soil, water, all surfaces Even in our BODIES ! Our immune system protects us against them except for a few nasties and those microbes that mutate Germs
Bacteria Viruses Fungi Protozoa Helminths Types of Germs / Microbes
1 celled organisms visible only thru microscope So small that 1,000 bacteria can wrap themselves around 1 pencil eraser Shapes: rod, sphere, spiral Not all are harmful – only 1% cause disease Ex: Lactobacillius acidophilus BACTERIA
Methicillin resistant staphylococcus aureaus Blamed for 94,000 infections in 2005 and 19,000 deaths Dangerous because it is resistant to broad spectrum antibiotics Symptoms begin with small red bumps that get larger + fever + rash + heat + swelling + pus + painful MRSA
Wash Hands !!! • Keep Personal Items Personal • Don’t share combs, brushes, razors, jewelry, soap, towels, equipment, headphones, cell phones • Keep open wounds/sores covered with sterile, dry bandage • Shower with soap and water • Wash towels, sheets, clothes, uniforms • Use antibiotics properly HOW to protect yourself:
Tiny capsules that hold genetic material Reproduce by invading cells, injecting their DNA, killing host cell Antibiotics are INEFFECTIVE Ex: AIDS, Influenza, Ebola, genital herpes, measles, smallpox viruses
Single cell organism Some are harmless and live in our intestines Harmful = Giardia, Malaria protozoa
Can enter your body, take up residence in your intestinal tract, lungs, liver, skin, brain through nymph stage or larval/egg stage Helminth
Our immune system protects us • Except… • When to seek medical care: • Animal/human bite • Difficulty breathing • Cough that lingers more than one week • Fever 100+ • Rapid heart rate • Rash that doesn’t go away • Rash + Fever • Redness + swelling + pain + pus + Fever • Blurred vision • Persistent vomit • Unusual/severe headache