What is Human Geography? Human geography- how people make places‚ how we organize space and society‚ how we interact with each other in places and across space‚ and how we make sense of others and ourselves in our localities‚ regions‚ and the world. Advances in communication and transportation technologies are making places and people become more interconnected. 100 years ago‚ fastest transportation was the steamship‚ railroad‚ and horse. 200 countries‚ diverse world. Globalization- set of
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disease caused by any one of four closely related viruses that do not provide cross-protective immunity; a person can be infected as many as four times‚ once with each serotype. Dengue viruses are transmitted from person to person by the Aedes aegypti mosquito in the domestic environment. Periodic epidemics have occurred in the Western Hemisphere for over 200 years. In the past 20 years‚ however‚ dengue transmission and frequency of epidemics have increased greatly in most tropical countries of the American
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cell isolated from larvae or human sera. 2. Incubation very depending of phase of virus. 3. Acute-phase and convalescent phase serum samples. III. What is the epidemiology for this disease? Who gets the disease? How common is it? A. Mosquito borne viral disease 1. Originated in monkeys then being spread to humans. 2. Etiology of dengue was established by 1940s. 3. Dengue shock syndrome and Dengue hemorraghic fever (separate disease). B. Western Hemisphere‚ outbreak in Hawaii
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also known as breakbone fever‚ is a mosquito-borne tropical disease caused by the dengue virus. Dengue becomes a major international public health concern. Dengue is found in tropical and sub-tropical regions around the world‚ predominantly in urban and semi-urban area. The World Health Organization (WHO) estimates there may be 50-100 million dengue infections globally every year‚ with two-fifths of the world population‚ or 2.5 billion people‚ at risk of this mosquito-borne infectious disease. Dengue
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Zika virus is a disease spread to people mainly through a mosquito bite. The mosquito has to be infected with Aedes Species. Aedes Species is the main character that spreads the virus that causes Zika. Usually the mosquito that carries the virus is a female. There are a number of symptoms involved with the disease. For example some common symptoms are a fever‚ rash‚ joint pain and red eyes. This is a mild illness where the symptoms can last for several days to a week after the initial bite. If you
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Green The company Clarke is a family company that has grown‚ since 1946‚ and is now the largest Mosquito Abatement firm out of all the districts in the US. They have been involved in the industry since 1927 when John Clark Sr. wrote the legislation that established the Mosquito Abatement District in the state of Illinois. The main goal was to produce a full‚ high-quality selection of products for the Mosquito Abatement Districts‚ taxpayer-funded municipal regions; individual administered‚ and state government
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tightness of chest‚ cramps‚ vomiting‚ diarrhea‚ blurred vision‚ headaches‚ dizziness‚ los of consciousness‚ and death. (http://www.atsdr.cdc.gov) Exposure The risk of spraying the Malathion for mosquito control in the center of the town at the low concentrations associated with mosquito spraying will be kept to a minimum by giving ample notice to the public and by spraying for the mosquitoes at dusk. The maximum amount of the active ingredient Malathion is 8 ounces to an acre‚ and the marsh
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virus responsible for dengue fever requires an intermediate vector‚ a mosquito‚ that carries the virus from one host to another. The mosquito that carries the arbovirus responsible for dengue fever is the same type of mosquito that can transmit other diseases‚ including yellow fever. This mosquito is called Aedes egypti. The most common victims are children younger than 10 years of age. Dengue fever can occur when a mosquito carrying the arbovirus bites a human‚ passing the virus on to the new
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References: 1. Mittal PK‚ Subbarao SK: Prospects of using herbal products in the control of mosquito vectors. ICMR Bull 2003 ‚ 33:1-10. Return to text 2. Brown AWA: Insecticide resistance in mosquitoes; a pragmatic review. J Am Mosq Control Assoc 1986 ‚ 2:123-140. PubMed Abstract Return to text 3. Sukumar K‚ Perich MJ‚ Boobar LR: Botanical derivative in mosquito control: A Review. J Am Mosq Control Assoc 1991 ‚ 7:210-237. PubMed Abstract Return to text 4. National Research Council:
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did not know then what a diaper was all about. In 1981-82‚ when electrical equipment industry went through a bad patch Mohan had to sell his insulator business. It was at that time that he was looking for a safe anti-mosquito repeller to protect his little daughter from mosquito bites and sleepless nights. He finally located an effective repeller in the form of a paper mat under the brand name Vape in one of the shops in Mumbai. Although the shop-keeper did not show much interest in selling it
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