with the statement “immunisation DOES benefits society” because of two main arguments: it helps in the prevention of childhood diseases and deaths, and the spread of contagious viruses and diseases in the community. Immunisation protects both children and adults against harmful diseases and viruses before they spread affecting others in harmful ways. This is done by injecting the body with a fake harmless version of the virus. The body’s natural defence system - the immune system then builds resistance…
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virus/Monera 6-1- VIRUSES -viruses do not have a cell parts VIRUS-a piece of nucleic acid covered with an “overcoat” of protein Called a capsid Gives shape Some viruses have a membrane that surrounds the capsid CLASSIFICATOIN OF VIRUSES Because viruses do not have all the characteristics of living things they are not classified into the 5 kingdoms Biologists classify according to host they invade 3 groups of viruses: 1. Bacterial 2. Plant 3. Animal SPREAD OF VIRUSES Several ways they…
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How do computer viruses spread and in what ways do they affect computers? Muhammad A. Khan Computer viruses spread and in many ways they affect computers. A computer virus is a program written to enter your computer system and "infect" it by installing or modifying files or establishing itself in memory. Some viruses are benign and won't harm your system, while others are destructive and can damage or destroy your data. Computer viruses usually spread in one of following ways: from removable media;…
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Causes and Spread of infection Understand the causes of infection Q1.1 Identify the differences between bacteria, viruses, fungi and parasites All 4 are different types of pathogens Bacteria is a single celled organism that multiply by themselves. They live within and on most living and non-living things. The majority of bacteria are harmless and beneficial to the human body but some can cause infectious diseases. A bacterium usually affects one part of the body and doesn’t spread across or…
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before within a population; second, the agent that carries the disease—like a fly, bacteria, air, or water—infects one person, causing serious illness; and last, the disease spreads easily among humans” (Segall). Pandemic starts with the smallest harmful parasites from animals, plants, and bacteria, also known as viruses. These viruses can inflict different kinds of disease or problems to the human body. Thus, allowing hazardous infections to occur in the human body. These infections may also be contagious…
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his or her personal data and credit card data. There are also people who send fake pages for the user to enter his data or his password and then the sender (hacker) steal his accounts . Also some messages containing malicious attachments, such as viruses, disable the recipient's device, destroy it, or steal recipient data and images. Workspace : There are many employees who use their powers to access data and leak it out of the work place, either financially or without pay, intentionally or unintentionally…
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Introduction Lung cancer is a disease that is uncontrolled by abnormal cells that start of either in one lung or the other. Lung Cancer is caused by cigar smoking, about a 100,000 people die each year due to smoking cigar. Lung cancer is one of the most frequent types of cancer that you can get. Before Lung cancer was very rare to get, now because of smoking 9/10 people die due to smoking cigarettes. Lung Cancer can also be caused by sex because w How smoking causes Lung cancer Lung cancer is…
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SYNOPTIC ESSAY – UNIT 5 – JUNE 10 THE CAUSES OF DISEASE IN HUMANS – 25 MARKS Disease is a malfunction of the body which has a harmful effect on good health. Malfunction in the body can be caused by or affected by pathogens, lifestyle and genetics and can affect the mental, physical and social aspects of an individual. Microorganisms such as pathogens, bacteria and viruses can cause disease in a number of ways. Pathogens can cause damage to a host’s tissues by preventing the tissues from functioning…
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are diseases that are transmissible from one person, or animal to another. Communicable disease may be spread directly, through another organism or through the environment. Non communicable diseases are also known as chronic disease are not passed from person to person. They usually persist over long periods of times and generally exhibit a slow progression. The organisms that cause communicable diseases vary in size. They range from viruses which are too small to be seen by a light microscope to intestinal worms which may be more than a metre long…
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nobody knew any treatments for the diseases which caused the diseases to spread throughout the world. with the advancement of medicine, treatment, prevention, and vaccinations Measles, Smallpox, and Tuberculosis are not as harmful today as they were during the Civil War. Measles was thought to be a disease of large cities. Urbanization brings close contact between large groups of people which allows viruses and diseases to spread easily, a source for…
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