What is hepatitis B? Hepatitis means the inflammation of the liver and hepatitis B is a specific type of this infectious disease caused by the hepatitis B virus (HBV). The symptoms of HBV infection vary from person to person. Many people with HBV infection don’t develop any symptoms‚ especially when they are young‚ and most patients with chronic HBV infection don’t develop any symptoms until late stage. However‚ HBV can damage the hepatocyte (liver cell) and cause liver damage and cirrhosis (scarring
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engineering entirely new organisms‚ promises to alter the way we relate to the natural world” (David Koepsell‚ 2007). Biotechnology‚ particularly genetic engineering‚ is already a beneficial resource‚ employed in medicine. “Genetic engineering is the human altering of the genetic material of living cells to make them capable of producing new substances or performing new functions” (Gale‚ 2005). It has the potential to improve our health and well-being significantly‚ revolutionize our manner of living
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Truth and Lies About the Computer Virus Walk into any computer store today and there will be at least twenty or thirty computer virus programs. From the looks of it computer viruses have gotten out of hand and so has the business of stopping it. The computer user must cut through the media hype of apocoliptic viruses and shareware programs and discover the real facts. Before we even start the journey of exploring the computer virus we must first eliminate all the "fluff." The computer
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West Nile Virus Jennie Youn 5/5/14 Preparatory Biology There are hundreds of thousands of diseases in the world identified by scientists today. The disease focused on today is called the West Nile encephalitis. The West Nile encephalitis is an infection caused by the disease known as the West Nile virus. The West Nile virus is transmitted by birds to humans with the help of mosquitoes. There is no vaccine or specific treatment to prevent the virus. Some of the symptoms of a mild
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Viruses: A virus is a small infectious agent that replicates only inside the living cells of other organisms. A virus is a small parasite that cannot reproduce by itself. Once it infects a susceptible cell‚ however‚ a virus can direct the cell to produce many more viruses. Viruses can infect all types of life forms‚ such as animals and plants to microorganisms‚ including bacteria and archaea. Genetic materials of viruses: Most viruses have either RNA or DNA as their genetic material. The nucleic
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EBOLA WHO? The Ebola virus causes an acute‚ serious illness which is often fatal if untreated. Ebola virus disease (EVD) first appeared in 1976 in 2 simultaneous outbreaks‚ one in Nzara‚ Sudan‚ and the other in Yambuku‚ Democratic Republic of Congo. The latter occurred in a village near the Ebola River‚ from which the disease takes its name. The World Health Organization (WHO) is a specialized agency of the United Nations (UN) that is concerned with international public health. It was established
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Broad Topic: The Zika Virus: Transmission‚ Effects‚ and Prevention Narrowed Topic: The Transmission‚ Effects and Prevention of the Zika Virus by Mosquitoes Research Question: How is the Zika Virus‚ transmitted to humans by mosquitoes‚ what are the effects and what ways can the transmission be reduced? Thesis Statement: The Aedes species is the primary medium responsible for the transmission of ZikV‚ which may be accompanied with other ailments. Introduction: The Zika virus is one considered as a
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There have been 18 confirmed cases of the West Nile Virus in 2015. This Tuesday‚ the first death by West Nile Virus has been reported in Los Angeles County. The San Gabriel Valley man was hospitalized in late August‚ and had pre-existing health conditions besides the virus. His name was withheld by the county Department of Public Health. First Death Confirmed It was also announced Tuesday that the city of Long Beach had its first human West Nile virus infection‚ names and identifying details also withheld
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West Nile Virus The West Nile Virus is transmitted to humans and animals trough the bit of an infected mosquito. The mosquito’s biological name is Flavivirus. Not that many people get sick from West Nile Virus but there are still people that end up in the hospital. To treat West Nile you usually have to go to the hospital. To confirm that a person has West Nile Virus a blood sample has to get tested. People can help prevent West Nile by doing simple things around the yard. About 80 percent
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One of the most life-threatening and highly contagious viruses in cats is Feline Pan Leukopenia Virus. It is also known as feline distemper. The virus affects red blood cells‚ mostly those in the intestinal tract‚ bone marrow‚ and the stem cells of developing fetuses. The attacks on the blood cells can lead to the development of anemia and lowering of the immune system. The virus can survive for years in contaminated environments‚ making it incredibly difficult to get rid of. Kittens between the
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