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  • Virus Particles To Susceptible Host Cells
    3,760 words
    Virus is a infectious agent found in all life forms, humans, animals, plants, fungi, and bacteria. Viruses consist of genetic material, either deoxyribonucleic acid or ribonucleic acid or as most people know them as DNA and RNA. They are surrounded by a protective coating of protein, called a capsid, with or without an outer lipid envelope. Viruses are between 20 and 100 times smaller than bacteria. Viruses are not considered free-living, since they cannot reproduce outside of a living cell; the...
  • Immune Cell
    460 words
    You live in a world of germs and you " re at war. Your body's constant, warm environment, rich in nutrients, is an ideal home, where tiny organisms can thrive. Their aim is to get in. Your body's job is to keep them out. Through advances in cancer research, scientists now believe more than 100 million immune cells exist. For every virus or bacterium, there seems to be an immune cell specifically designed to hunt down and destroy it. But what happens when you are born without this ability The imm...
  • Hhv 8 Causes Ks
    1,491 words
    Human Herpes Virus-8 (HHV-8) and Kaposis Sarcoma (KS) Human herpes virus (HHV-8) poses a challenging task for researchers determining its role in Kaposis sarcoma (KS). People with KS are distinguished by their placement in four categories. The first category consists of elderly males of Mediterranean or Eastern European Jewish descent. The second category consists of individuals of all ages from Africa. Neither one of these categories is associated with immune deficiency or known environmental f...
  • Red Blood Cells
    1,548 words
    Page 1 of 6 Life Cycle of Malaria Page 2 of 6 Malaria is an ancient disease transmitted by the Anopheles mosquito that predates recorded history. Historically it was common in the swampy areas around Rome, and was believed that the tainted air in those locations made people very sick, the disease was therefore named malaria for the Latin root words bad air. Malaria is caused by small parasitic protozoa of the genus Plasmodium which infects both humans and mosquitoes in a cyclical process. It is ...
  • Doctors Use Antibiotics
    1,049 words
    Antibiotics An antibiotic, is defined to be a drug produced by certain microbes. Most doctors use antibiotics to help fight the germs in a patient. Antibiotics are obtained from plants, fungi, air, water, soil, just about anything on earth. Antibiotics kill and attack the germ or virus in the body, but do not hurt the human cells, ordinarily. The antibiotics are used to treat many various types of diseases, such as tuberculosis, syphilis, and several kinds of infections. People have been using a...
  • 100000 Cases Of Mono
    1,104 words
    Mononucleosis is a disease caused by the Epstein-Barr virus (EBV), which is a member of the herpes family. The herpes family also includes viruses that cause cold sores, chicken pox, genital herpes, and birth defects (7). Mono, short for mononucleosis (3) 'gets its name from the fact that it causes a person's white blood cells to become distorted, so that they have only one nucleus (becoming mononuclear) instead of the usual divided nucleus. ' ; (3) The first accounts of mono are credited to Fil...
  • Major Target In Hiv Infection
    1,095 words
    AIDS and Its Causes 1. INTRODUCTION In June 1981, the centers for The Disease Control of the United States reported that five young homosexual men in the Los Angels area had contracted Pneumocystis Carinii pneumonia (a kind of pneumonia that is particularly found in AIDS patient). 2 of the patients had died. This report signalled of an epidemic of a viral disease characterized by immunosuppression associated with opportunistic infection (an infection caused by a does not normally produce disease...
  • Macrophages And T 4 Cells
    1,419 words
    Today, our world is faced with many diseases. Some havent been discovered and some have no cures. The immune system fights off many of these diseases, but what happens when it fails us One of the most deadly, incurable disease the world is faced with today is the Human Immunodeficiency Virus (HIV). There is no none cure yet. Viruses cause colds and the flu. Viruses are microscopic particles that invade the cells of plants, animals, fungi, and bacteria. They often destroy the cells they invade. H...
  • Typical In Patients With Primary Ebv Infection
    2,053 words
    ITI ON Infectious mononucleosis is a clinical syndrome that can be characterized by a multitude of symptoms. They include malaise, headache, fever, pharyngitis, pharyngeal lymphatic hyperplasia, lymphadenopathy, atypical lymphocytosis, and mild transient hepatitis. This disease occurs most often in adolescents and young adults. Mononucleosis is one of these diseases that are grouped into a class known as a viral infection; more specifically it is caused by the Epstein-Barr virus (EBV). EBV is a ...
  • One Group With Live Ebola Virus
    720 words
    Each outbreak of Ebola has been traced to an index case, the first infected person who came in contact with the disease host. Of all the disease-causing human refuses, only Ebola and a similar virus called Marburg, are the only ones remaining for which the host and cycle of transmission are not known. According to the World Health Organization (WHO), different theories have been developed to explain the origin of Ebola outbreaks. Initially, rodents were suspected. Laboratory studies suggest that...
  • Tertian Malaria The Fever
    605 words
    THE CAUSES OF MALARIA Malaria is an infection by parasites which is spread by mosquito bites. The parasites are one cell animals which spend their live in the red blood cells of humans, and part in female anopheles mosquitos. The parasites are called protozoal's of the species of plasmodia. It is most wide spread in the malaria belt which includes Mexico, Haiti, The Dominican Republic, Honduras, Ecuador, Africa, India, Southeast Asia and the Philippines. Malaria can also be infected by blood tra...
  • Nurse Cell Development
    618 words
    The parasite Trichinella and its control of host muscle Trichinella is a very important intracellular parasite. James Parent first discovered Trichinella in humans in 1875 during a medical study. There are five species of Trichinella. Medically the most important is Trichinella spiralis. It is found worldwide and has the ability to infect a wide range of mammalian hosts. Unlike many other species of intracellular parasites, such as Leishmania and Plasmodium, Trichinella does not kill the host ce...
  • Affect On The Body Sars
    782 words
    1.) How can getting sick make you healthier? When you get sick your bodies immune system goes to work and it gets the white blood cells to come out and do its cleanup job. After you have recuperated from your sickness your body will become immune to whatever you became sick with. Cells will be traveling around your body with the know-how of what to do if you get infected with the same sickness again therefore you have become immune to it and you are healthier. 2.) Why can the Flu be deadly for s...
  • One Cell With A Productive Viral Infection
    2,461 words
    AIDS and HIV Introduction Being one of the most fatal viruses in the nation, AIDS (Acquired Immunodeficiency Syndrome) is now a serious public health concern in most major U.S. cities and in countries worldwide. Since 1986 there have been impressive advances in understanding of the AIDS virus, its mechanisms, and its routes of transmission. Even though researchers have put in countless hours, and millions of dollars it has not led to a drug that can cure infection with the virus or to a vaccine ...

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