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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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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Question: 1. Gives a suitable title for Figures 1 and 2. a. Figure 1: Anatomy of Embryonated Egg b. Figure 2: Different Site of Inoculation for Different Types of Viruses 2. Explain how to prepare sucrose gradient for purification of viruses. * Sucrose gradients (density gradients) can be done by placing layer after layer of sucrose (gradient media) in a tube with the heaviest layer at the bottom and the lightest at the top in either a discontinuous or continuous mode. *
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Chicken pox is caused by the Varicella zoster virus and is an airborne infection that is commonly accompanied but the Varicella rash. The Varicella Zoster virus enters ‘through the respiratory tract and conjunctiva’ (Varicella‚ Dr Cindy Weinbaum) where replication of the viruses starts to take place within 24 – 48hours of being in contact with a primary host. Varicella (Chicken pox) is seen throughout the world as it is a common virus‚ which is generally passed through primary and middle
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Trojan Horse Virus Tucker Tatum & Kat Thaxton Springfield High School 1-20-17 Trojan Horse Virus A virus has multiple meanings in our world but we are speaking in the terms of technology. A virus is something that has been put into the computer without the owners consent that is made to go through the information on the computer and take things from the computer without the owner’s consent. There are many ways to prevent this from happening but with these preventions the person creating these viruses
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Informative Speech October 2‚ 2011 Preventing the Influenza Virus Along with the cool‚ crisp air of the fall‚ comes the flu vaccine. The flu can be life threatening‚ but there are some things you can do to prevent getting the flu. Getting the flu vaccine‚ good hand hygiene and avoiding people who have the flu are all great ways to avoid getting sick. According to the Center for Disease Control (CDC)‚ there are two types of vaccines available. One form of the vaccine is the inactive
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Title: Virus Module: Biochemical Processes______ All viruses are pathogens. Some viruses are deadly‚ for example‚ HIV and Ebola virus. Unlike bacteria‚ fungi and protists‚ viruses do not fit into the framework of cellular organization that is the hallmark of organisms. Bacteria‚ fungi and protists are cells but not virus. Viruses have unique structural and functional properties and cannot reproduce unless they are inside the cell. In fact‚ they can neither generate energy nor make proteins
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Who knew that just a quick kiss‚ a sip from someone’s cup‚ or being in the line of fire of a cough or sneeze could spell disaster. “Mononucleosis” (mono)‚ more commonly known as the kissing disease‚ is mainly caused by the “Epstein-Barr virus” [EBV] (Mayo Clinic). “Dr. E. Pfeiffer” was the first scientist to fully research this disease “in 1889” (Sleepydust). It is quite easy to become infected with EBV‚ which in turn‚ may result in the contraction mono. The majority of people will succumb to this
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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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other malicious logic from an infected system. Due to the constant changes in malicious logic programs‚ however‚ definition files must be frequently updated. History The first antivirus software was created in 1988 in order to combat the Brain virus‚ which originated in Pakistan. This antivirus program not only detected the Brain’s presence on a computer and removed it; it could also clean floppy disks that were infected. Since 1988‚ writers of malicious code have flooded the Internet with viruses
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