Bacteria Review
q q Normal Flora q The Magic Bullet, Antibiotics and Antibiotic Resistance q Koch's Postulates q The Immune System --including the inflammatory response q Balanced Polymorphism q Food Poisoning q Many Technical Terms q Drugs
Why was it possible to eradicate Small Pox from the face of the earth but not, influenza?
Smallpox has been eradicated, polio is next and half a dozen other diseases are targeted for elimination. Vaccines protected 8/10 of the world's children (WHO report).
Pathogen Transmission Symptoms
q Measles q AIDS q Chicken Pox q Influenza
Vectors Alternative Hosts Prevention Treatment
How are Viruses Classified?
Arbovirus Exantheme Enterovirus Respiratory viruses
This is an Alphavirus, one of the best known model systems among enveloped viruses. The RNA genome (red) is packaged into a nucleocapsid (orange for the capsid proteins), which is surrounded by a lipid bilayer (green) with transmembrane spike proteins (blue).
Measles. Worldwide, almost 1 million children die of measles each year.
In the United States, after a long decline, the number of measles cases started to rise in the late 1980s when there was a drop in the number of children being vaccinated against the Pathogen: disease.
Measles An exantheme virus Same as distemper in dogs High fever, runny nose, red eyes, spots, sensitivity to light
Chicken Pox
Pathogen Herpes-zoster Transmission Person-to-person Symptoms Chicken Pox and Shingles Prevention Vaccine
Herpes Viruses
Herpes Simplex--Type 1
causes fever blisters and red eye no cure; usually not life threatening but, can lead to blindness; rarely causes brain inflammation; stress causes reoccurrence
Herpes Simplex--Type 2 Herpes Zoster Epstein-Barr Viruses
(associated with mononucleosis)
In what way are each of the following antibiotics a "magic bullet"? Penicillin Tetracycline Sulfa drugs
Outline Koch's Postulates
Koch's postulates 1. The microbe must be ...