Alzheimer’s disease is a deterioration of the brain that happens in middle or old age. It is the most common cause of premature senility and dementia‚ which is a loss of cognitive functioning (thinking‚ remembering‚ and reasoning). Dr. Alois Alzheimer discovered the disease in 1906 as he was doing an autopsy on a woman’s brain in which he discovered abnormalities. Alzheimer’s causes the brain to shrink in size‚ which causes all of the cognitive issues. Scientists today still do not fully understand
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difference between bacteria‚ viruses‚ fungi and parasites are: Bacteria are single celled organisms that can rapidly multiple themselves every 10 minutes up to 10 times each bacterial cell‚ but they do not live or reproduce in a human cell. When threatened they will make a copy of their DNA to enable them to come back to life in the right conditions. They are able to survive in most extreme living conditions including with and without oxygen‚ there are various types of bacteria such as Cocci/Coccus
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Typhus is a disease that is caused by the bacteria‚ Rickettsia. It’s been around since the late fifteenth century‚ and up until the twentieth century has impacted the world. Historically‚ Typhus was a huge disease that caused high mortality‚ and a chain of events. Not only that‚ but biologically there’s also a lot this disease does. In 1492 Typhus was a new disease and it wasn’t known until just before World War I. The origin of it is unknown‚ however‚ it is believed that it went to Western Europe
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Vibrio Cholerae Vibrio Cholerae is a bacterium in the family of Vibrionaceae. This Gram-negative‚ facultative anaerobic‚ non-spore forming curved rod bacterium causes an acute diarrheal infection due to water or food ingested contaminated with bacterium Vibrio Cholerae. Cholera infects an estimated 3-5 million persons every year and causes about 100‚000-120‚000 deaths. There is a short incubation period of two hours to five days‚ which greatly enhances the potential of cholera’s dangerous outbreak
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The Ebola Virus History of‚ Occurrences‚ and Effects of Ebola‚ a virus which acquires its name from the Ebola River (located in Zaire‚ Africa)‚ first emerged in September 1976‚ when it erupted simultaneously in 55 villages near the headwaters of the river. It seemed to come out of nowhere‚ and resulted in the deaths of nine out of every ten victims. Although it originated over 20 years ago‚ it still remains as a fear among African citizens‚ where the virus has reappeared occasionally in parts
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society. Significant individuals and groups that have an impact on a person’s socialization are referred to as agents of socialization. As life changes and individuals go through the various stages of life‚ their agents of socialization change as well. For example‚ the biggest influence on an infant’s life is their parents or guardians. Almost everything an infant learns is learned from them. This changes during childhood as peer groups and schools start influencing the individual’s perception of themselves
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microscope. The importance of microbiology includes: used in biomedical research‚ creation of medicines‚ environmental applications and new research tools. Disease causing organisms include: protists‚ bacteria‚ viruses and other microorganisms. Bacteria are important for fixing N2 in a usable form for plants. Bacteria and some fungi are important in decomposition and recycling of raw materials. Industry applications of microbiology: waste management‚ food industry‚ mining‚
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Rubella Rubella is a An acute viral disease that causes fever and rash .Symptoms include Rash and fever for two to three days. Rubella is spread by contact with an infected person‚ through coughing and sneezing. Rubella vaccine (contained in MMR vaccine) can prevent this disease. If death occurs‚ it is within few days of onset of symptoms. Cowpox Cowpox is a skin disease caused by a virus known as the cowpox virus. Cowpox is transmitted by touch from infected animals to humans. Cowpox is similar
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Bacteria are the most ancient life forms‚ most bacteria are so small that under a light microscope you can only see them as little dots. Some groups however grow to larger sizes and have spectacular shapes (1). Bacteria are present in most habitats on the planet‚ growing in soil‚ water‚ acidic hot springs‚ radioactive waste‚ and deep in the Earth’s crust‚ as well as in organic matter and the live bodies of plants and animals (2). Bacteria is mostly thought of as a pathogen‚ while it is true that
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Ebola Virus Ebola virus (EBOV) is considered to be one of the most belligerent contagious agents and has an ability to cause highly fatal hemorrhagic fever syndrome that results in human and non-human primate’s death (NHPs) during the days of exposure. The first notification of the virus was mentioned in the Ebola River valley in Zaire for the time of an outburst in 1976. Moreover‚ the outbursts have appeared in Africa over the following 27 years‚ with death rates that differ from 50 to 90%. In
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