Name UNIT 22 CAUSES AND SPREAD OF INFECTION 1.1 Identify the differences between bacteria‚ viruses‚ fungi and parasites What is a Bacteria? A bacteria is a living things that are neither plants nor animals‚ but belong to a group all by themselves. They are very small--individually not more than one single cell--however there are normally millions of them together‚ for they can multiply really fast. Bacteria are prokaryotes (single cells that do not
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Introduction Zoonotic diseases are infectious diseases which can be transmitted from animals to man. Due to frequent contact and domestication of wildlife animals‚ zoonotic diseases are increasingly becoming more prevalent. Public parks and gardens are home to abundant populations of birds. One of the most frequent species known to thrive in such areas are feral pigeon (Columba livia). Although there are few reports of disease transmission between pigeons and humans‚ their close interaction
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of the most infectious and most common diseases in the world. This serious‚ sometimes-fatal disease is caused by a parasite that is carried by a certain species of mosquito called the Anopheles. It claims more lives every year than any other transmissible disease except tuberculosis. Every year‚ five hundred million adults and children (around nine percent of the world’s population) contract the disease and of these‚ one hundred million people die. Children are more susceptible to the disease
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I. INTRODUCTION OF THE LIFESTRAW WATER PURIFIER A. Product benefits for the consumers (IRIN‚ 2008; Frandsen‚ 2013) 1. The product can filter at least 264 gallons of water 2. Reduce water turbidity with 0.2 micros 3. Remove 99.9% waterborne bacteria 4. Remove 99.9% protozoan cysts 5. Remove 98.7% waterborne viruses 6. Easy to carry and use B. Production cost is $4 per unit (IRIN 2008) C. Product targeting consumers 1. The primary targeting group is poor to high middle class people who live
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CHAPTER 2 REVIEW OF RELATED LITERATURE This chapter presents the available literature and studies conducted that are crucial to the investigation of researchers in Pediculicide activity of Premna odorata leaves against Lipeurus caponis. The Plant Material The plant sample‚ Premna odorata Blanco (“Alagaw” in Filipino) is from the family of Verbenaceae/Lamiaceae genus Premna. It is also known as Alagau (Tagalog)‚ Abgau (Bisaya)‚ Fragrant premna (English)‚ Saliargo (Central Bisaya). Alagaw can be found
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Communicable diseases include malaria‚ HIV/AIDS‚ tuberculosis‚ infant’s diarrhoea‚ measles and poliomyelitis diseases are passed on to people who are not already affected by it. To collect this data we use mortality rates‚ morbidity rates‚ disease incidence‚ disease prevalence and disability adjusted life years. They are spreading from person to person or from animals to people. It spreads by viruses or bacteria‚ but can also pass through blood or other body fluid. Disease Incidence: The incidence
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gastrointestinal tract. 3. They have to be non-pathogenic. 4. They have to no history of relationship with diseases like‚ infective endocarditis or gastrointestinal tract disorders. 5. They do not DE conjugate bile salts. 6. They should not carry transmissible antibiotic resistance genes (Saarela‚ et al. 2000). LACTIC ACID BACTERIA Lactic acid bacteria (LAB) are ubiquitous microorganisms that can be beneficial in crop and livestock production. LAB refers to a large group of bacteria‚ rather than a
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Cord Blood Cells. Today medicine has reached great success in the treatment and prevention of many illnesses. Currently‚ scientists and doctors are paying more attention to technology of cells. Cord blood is the blood that remains in a newborn’s umbilical cord after birth. Cord blood‚ like bone marrow‚ is an invaluable source of a type of stem cell that can be used in a variety of medical treatments. New parents now have the option of taking an active role in treating future illness much like a
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Arpan Biswa Professor Bahel English 1101 October 24‚ 2014 Ebola Outbreak 2014 In March 2014‚ West Africa suffered for a first time from the most deadly epidemic disease called Ebola since it was discovered in 1976. Ebola is a viral disease caused by virus called Ebola which is named after the Ebola River in Zaire. “Ebola virus‚ having five known subtypes‚ is part of the family of filoviruses and causes the infectious disease Ebola hemorrhagic fever (Tekman)”. According
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Viruses‚ Viroids‚ and Prions copyright cmassengale 1 Are Viruses Living or Non-living? Viruses are both and neither They have some properties of life but not others For example‚ viruses can be killed‚ even crystallized like table salt However‚ they can’t maintain a constant internal state (homeostasis). copyright cmassengale 2 What are Viruses? A virus is a noncellular particle made up of genetic material and protein that can invade living cells. copyright cmassengale 3 Viral History copyright
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