also known as breakbone fever‚ since it can be extremely painful. Causative Agent: . Dengue is transmitted to humans by the Aedes (Stegomyia) aegypti or more rarely the Aedes albopictus mosquito. The mosquitoes that spread dengue usually bite at dusk and dawn but may bite at any time during the day‚ especially indoors‚ in shady areas‚ or when the weather is cloudy. Virology: Dengue fever is caused by Dengue virus (DENV)‚ a mosquito-borne flavivirus. DENV is an ssRNA positive-strand virus of
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Safety Precautions and Lab Procedures Bret Niemeyer Abstract—The purpose of this paper is to provide you with safety precautions‚ lab procedures and reference materials to equip you with useful information in the computer electronics and technology fields. The topic is not complete‚ however it should introduce concepts and provide a framework of where to obtain important information for your safety and well-being. shut down of instruments. I. INTRODUCTION HIS DOCUMENT examines safety precautions
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Safety Precautions for Synthesis of Acetic Anhydride Acetic Anhydride Acetic anhydride is an irritant and also flammable‚ therefore gloves and goggles should be worn at all times during the experiment. It is reactive to water‚ so in the case of fire‚ alcohol foam or carbon dioxide is preferred to use as an extinguisher. This chemical has harmful fumes and use of a fume hood is strongly recommended. Sulphuric and Salicylic Acid These acids may irritate the skin in high concentrations. Take
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Hourly Rounding & Fall Precaution Falls are a common occurrence among medical‚ surgical and elderly patients in hospitals. One of the largest categories of reported adverse events in hospitals are patient falls‚ which are estimated to cost more than $20 billion a year. (2010 Lippincott Williams &Wilkins‚ Inc.) Prevention is the best method to decrease the number of falls and reduce hospital cost and increase patient satisfaction. One of the best ways to prevent falls is patient hourly rounding
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morphology and life cycle 6813727-24819 Dengue 00 Dengue 346405627174 Symptoms of Dengue Symptoms of Dengue 1140811408What is dengue? Dengue is a viral infection transmitted by the bite of an infected female Aedes mosquito. Estimated 100 million cases of dengue fever occurring throughout the world annually. Virulence factors Dengue fever (Fever Dengue) Dengue haemorrhagic fever ((Fever Hemorrhagic The virus that causes dengue fever has four different serotypes DEN-1
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Macau’s Dengue Fever According to World Health Organization‚ “Dengue is a mosquito-borne viral infection.” It was discovered in the Philippines and Thailand in the 1950s. It is can be very severe and frequently found in Asia and many western countries. There are 4 different but closely related viruses that may lead to Dengue fever. When people are bitten by Aedes aegypti‚ a kind of mosquito that is found in tropic and sub-tropic areas‚ the viruses will be transmitted and people will get infected
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Dengue Fever Makes Inroads into the U.S. The mosquito-borne infection is cropping up in Florida‚ but mysteriously not in similar regions in the nation By Dina Fine Maron Most Americans lose little sleep over dengue fever. The mosquito-borne infection is a leading killer in the tropics and subtropics‚ but it’s been a long-held belief that ubiquitous air-conditioning‚ few open windows and limited time outdoors protects us from dengue. And in fact‚ for the past century most U.S. cases (except
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SAFETY PRECAUTIONS IN WELDING OPERATIONS ________________________________________ Section I. GENERAL SAFETY PRECAUTIONS 2-1. GENERAL a. To prevent injury to personnel‚ extreme caution should be exercised when using any types of welding equipment. Injury can result from fire‚ explosions‚ electric shock‚ or harmful agents. Both the general and specific safety precautions listed below must be strictly observed by workers who weld or cut metals. b. Do not permit unauthorized persons to use welding
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Dengue fever can be caused by any one of four types of dengue virus: DEN-1‚ DEN-2‚ DEN-3‚ and DEN-4. You can be infected by at least two‚ if not all four types at different times during your lifetime‚ but only once by the same type. You can get dengue virus infections from the bite of an infected Aedes mosquito. Mosquitoes become infected when they bite infected humans‚ and later transmit infection to other people they bite. Two main species of mosquito‚ Aedes aegypti and Aedes albopictus‚ have
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5.2.4 Precautions and piercing care Body piercing takes time to heal. Most of the time‚ it takes about 12 weeks to heal. But it only occurs if good care is given. Depending on different type of piercing the time taken to heal is also different. Poor care can lead to infection including blood-borne viruses‚ allergic reactions and nerve damage. Therefore‚ one must be very careful in choosing the type of piercing and must take care of the piercing after get pierced. It’s not only that one must take
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