Hepatitis B Case Studies

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Pathogens are biological agents; generalized as single cellular microorganism that can vary from virus, fungi or bacteria they are commonly the first link to the chain of infection. Through several substrates and pathways these biological agents invade the host and procreate disrupting the normal physiology of the multi cellular organism, resulting in illness or disease. They are so adaptable they can affect unicellular organisms from biological kingdoms. There are thousands of different pathogens that have unique types of infection or parasitism. However they also have common traits, all successful pathogens access the host through several ways, in doing so invades the host defences allowing for replications and creating a permissive niche. One pathogen we are looking at in particular is a blood borne pathogen that is commonly known as Hepatitis B virus (HPV).…show more content…
They are separated into categorise primarily because the diseases are caused by three different virus and the modes of transmission have a different effect on the liver. Hepatitis B is spread through the contact of infected blood or any body fluids that includes vaginal fluid or semen; therefore it can be…show more content…
Further ways the virus can cause infection is by the piercing of skin with unsterilized equipment as well as sharing razors or toothbrushes with someone who is infected. If Inflected blood comes in contact with a fresh cut or open sore it can penetrate the bloodstream therefore the pathogens replicates and proliferate within the blood stream, infecting the healthy host. This is the primary reason to why an infected mother can pass down the virus to her newborn

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