2 Microbiology Microbiology is the study of microorganisms… AKA microbes Studies microbes such as:VirusBacteriaFungiParasitesMicrobes are living organisms that cannot be seen without a microscope.Pathogens are microbes that cause disease.
3 VirusHIV VirusA virus is a pathogen that consists of microscopic core of genetic material surrounded by a protein coating
4 Facts About Viruses They DO NOT eat or grow They DO NOT do any chemical processThey DO NOT respond to light or stimuliAntibiotics DO NOT work on Virus; there is no drug to cure any virus
5 More Facts about Viruses They are smaller than bacteria, plant and animal cellsThey come in thousands of shapesThey replicate using the lytic and lysogenic cycleThey are able to infect organisms through carriers, air, touch and vectorsVaccines can prevent some virus from infecting
6 Even more Facts about Viruses Viruses invade a host and replicate and kill the host’s cellsA carrier is an infected person-can show the signs of the disease or not for example HIV infected personA vector is an organism (except for humans) that can spread a disease for example:Tick-Rocky Mountain Spotted Fever and Lyme's DiseaseMosquito- West Nile Virus and MalariaFlea-Black Plague
7 Common VirusesChicken Pox~ Direct contact, airborne, there is a vaccineAids~ Sexual contact, blood transfusions, there is NO a vaccineInfluenza (flu)~ Direct contact, airborne, there is some vaccines, but there are many different strainsMeasles~ Direct contact, airborne, vaccines exists
8 Common VirusesSmallpox~ Direct contact, airborne, people under 40 have not had been vaccinatedHerpes~ Direct contact, no vaccinesBacteriophage~ Direct contact, no vaccinesWest Nile Virus~ 1st time through vector then direct contact, airborne, no vaccine (birds)
9 Common VirusesPolio~ Direct contact, vaccines Hepatitis~ Direct contact, vaccines Swine Flu~ Direct contact, airborne, vaccines