Free Essay Examples For Students

The Human papilloma virus (HPV)

Human papilloma virus (HPV) can appear just about anywhere on the body. The most common locations are mouth, anus and genitals where moist mucous membranes exist. Some common symptoms are warts, small, big, white, beige or brown skin growths and even several different types of cancer. There are more than 100 different types of HPV all with their own area to invade. Some cause the small, painless, rough-surfaced warts found on the fingers and face. Others cause the larger, more painful and flatter warts that grow on the soles of the feet. More than 25 different types of HPV can infect the skin covering the sex organs, cervix and opening of the anus. Genital HPV infections are very common and up to 80 percent of sexually active adults will get an HPV infection of the ge...

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ICT Coursework: Virus Essay Sample

ICT Coursework: Virus Essay Sample Virus, a special program which can do destructive also annoying things, it is a very tricky thing, because there are lots of different viruses, some of them might format your hard disk or they can make copies of itself without the user knowing about it……etc. they all have different behaviours but all of them do things that you may not like to see to your computer. Before we know how to protect ourselves, we need to know how viruses work. Viruses are very annoying, because they spread. But they are not spreading in a normal way which you can see; they hide in the boot sector of a storage device, and this storage device can either be a floppy disk or CD-ROM that you’ve just borrowed from your friend. After it gets

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Human Immunodeficiency Virus: Stages and Sympthoms

Human Immunodeficiency Virus or as we know it is called HIV. This virus attacks a type of cell the white blood cell or another name for it is T cell and the virus makes multiple copies of itself inside these cells. AIDS would stand for Acquired Immune Deficiency Syndrome, AIDS is not a virus but it is a type of symptom or syndrome which it is caused by the HIV virus. If a person has AIDS their immune system is too weak to fight off the infection, and they would develop a certain symptom and illnesses. The last stage of HIV, when the infection is worse, and if that person left it untreated this will lead to death. AIDS was first recognized in 1981 due to an increase in the incidence of rare infections and cancers inactive men who pretend they were healthy. A few years...

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Dengue Hemorrhagic Fever – a Dangerous Virus

Dengue fever is a disease which is caused by a family of viruses transmitted by mosquitoes. It is an acute illness of sudden inception followed by the symptoms such as headache, fever, exhaustion, severe muscle and joint pain, swollen lymph nodes (lymphadenopathy), and rash. The occurrence of fever itchy rash, and headache (the “dengue triad”) is characteristic of dengue. Some other symptoms of dengue fever include bleeding gums, severe pain behind the eyes, and red palms and soles. Dengue can affect anyone but tends to get more severe in people with fragile immune systems. It is caused by one of the five serotypes of the dengue virus and so it is possible to get dengue fever multiple times. though, an attack of dengue produces life long immunity to that par...

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The Microorganism of West Nile Virus Essay Sample

The Microorganism of West Nile Virus Essay Sample West Nile Virus is an infectious disease that came from the family of Flaviviridae (“West Nile Virus”). This virus first appears in West Nile of Uganda in the year 1937. This has been acknowledged as a source of the Saint Louis encephalitis and Japanese encephalitis in the year 1957. Then it appears in the summer of 1999 in United States then from then on, it spread to different states (“West Nile Virus”). West Nile virus is common West Asia, Africa and Middle East (“West Nile Virus”). Researchers believe that this virus can be found in tropical and temperate places like Europe and North America. In North America, studies shows that its sets up in summer up to the fall season. The

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The Computer Virus Essay Sample

The Computer Virus Essay Sample The term “Computer Virus” is sometimes used as a catch-all phrase to include all types of malware, including viruses. The expression, Malware is a general term used by computer professionals to mean a variety of forms of hostile, intrusive, or annoying software or program code. Malware, short for malicious software, is software designed to infiltrate a computer system without the owner’s informed consent. Malware includes Computer Viruses, Worms, Trojan Horses, Spyware, Rootkits and other malicious and unwanted software. The term “Virus” is also commonly but erroneously used to refer to other types of malware. On March 29, 2010, Symantec Corporation, producer of Norton Security Products, named Shaoxing,

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Difference between a virus and a Trojan Essay Sample

Difference between a virus and a Trojan Essay Sample 1. What is the main difference between a virus and a Trojan? A computer virus attaches itself to a program or file enabling it to spread from one computer to another, leaving infections as it travels. Like a human virus, a computer virus can range in severity: some may cause only mildly annoying effects while others can damage your hardware, software or files. Almost all viruses are attached to an executable file, which means the virus may exist on your computer but it actually cannot infect your computer unless you run or open the malicious program. It is important to note that a virus cannot be spread without a human action, (such as running an infected program) to keep it going. A Trojan Horse is full of as mu

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Human Immunodeficiency Virus Essay Sample

Human Immunodeficiency Virus Essay Sample You are working at a physician’s office, and you have just taken C.Q., 38-year-old women into the consultation room. C.Q. has been divorced for 5 years, has two daughters (ages 14 and 16), and works full time as a legal secretary. She is here for a routine physical examination and requested that a human immunodeficiency virus (HIV) test performed. C.Q. stated that she is in a serious relationship, is contemplating marriage, and just wants to make certain she is “okay”. No abnormalities were noted on chemistries and hematology studies. The physician requests you perform a rapid HIV test, which is an antibody test. Within 20 minutes, the results are available and are positive. Does a positive rapid HIV test mean that C.Q. def

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Review on African virus Ebola

On 27th August 2014 Mr. Abhayomi, a businessman was found dead in his hotel room in the heart of London, unrecognizable, lying in a pool of blood and faeces. The doctors had.t seen such a death in medical history. The incident was covered in a few local newspapers and was shelved. The government was pressurized by the families of the deceased to look into the cause of these incidents, as many lives were lost. Medical researchers spent several sleepless nights, facing a backlash from the public over the delayed response to the crisis. All the pressure led them to finally discover that a zoonotic virus called Ebola was the reason behind the gruesome fatalities across the country. One thing they knew for sure was that the virus was highly infectious with about 36% of the...

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Epstein-Barr Virus Essay Sample

Epstein-Barr Virus Essay Sample The Epstein-Barr virus, also known as EBV, is a very common virus.  The virus can infect infants as soon as the antibody protection that is present at birth fades.  Children routinely become infected with the virus, but this normally causes no symptoms or very minor symptoms that are often mistaken for other brief childhood ailments. About 35% to 50% of individuals who are first infected in their late teens or early adulthood will develop infectious mononucleosis.  By the time an American adult reaches 40 years old, they have a 95% chance of having been infected by this virus sometime during their life.  This virus does occur world-wide, and the majority of people in all countries will become infected at some point (Centers for Disea

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