Claudia Caglioti‚ Eleonora Lalle‚ Concetta Castilletti‚ Fabrizio Carletti‚ Maria Rosaria Capobianchi‚ Licia Bordi Laboratory of Virology‚ “L. Spallanzani” National Institute for Infectious Diseases‚ Rome‚ Italy SUMMARY Chikungunya virus (CHIKV) is a mosquito-transmitted alphavirus belonging to the Togaviridae family‚ first isolated in Tanzania in 1952. The main vectors are mosquitoes from the Aedes species. Recently‚ the establishment of an envelope mutation increased infectivity for A. albopictus. CHIKV
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How to select an Adventure Travel Operator | Outdoor & Camping Checklist| Preparing for High Altitude Trek | General Health in Outdoors | High Altitude Management | | | | How to select an Adventure Travel Operator | We take a strategic approach in analyzing‚ planning and executing our client’s requirement. Our industry experts anchor each of the activities and help the participants to relate the outcome of the program to the workplace atmosphere Adventure comes with its own thrill
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Dengue fever‚ also called dengue‚ is a potentially serious disease caused by a virus. There are four types of dengue virus that can cause illness in humans. Dengue viruses are transmitted between humans by the bite of an infected Aedes mosquito. Dengue is rare in the U.S.‚ but is common and a serious public health threat in warm sub-tropical and tropical areas of the world. These include areas of Central and South America‚ Africa‚ Southeast Asia‚ China‚ India‚ the Middle East‚ Australia‚ the Caribbean
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transfusion‚ maternal transmission occurs and physical contact. However‚ ZikV is transmitted through a number of means‚ but primarily‚ through mosquitoes. Topic Sentences 1. ZikV is transmitted primarily due to the bite of an infected female Aedes species mosquito‚ the same transmitter of the spreads Dengue fever virus and Chikungunya. The main species that are responsible for transmission of the virus are the Aedes aegypti‚ which lives in and around buildings in urban areas and the Aedes albopictus‚ which
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tropics (Epstein‚ 2000). The virus has four antigenically related serotypes‚ which are named DEN-1‚ DEN-2‚ DEN-3‚ and DEN-4. Each dengue serotype is a variation of the flavivrus genus. Dengue is spread by the aedes aegypti‚ a domestic‚ day-biting mosquito that prefers to bite humans. Currently‚ there is no vaccine available to prevent dengue. Each type of the dengue virus is re-emerging worldwide‚ especially in the Western Hemisphere. Research has shown that several factors are contributing to
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the sea. You don’t have any time‚ because in the water swimming crocodiles and you must quickly get only necessary things. We choose only 12 things. Fifth slide-Choisen We chose blanket‚ knife‚ bottled water‚ matches‚ compass‚ torch‚ insect repellent‚ fishing rod‚ tent‚ toilet paper‚ water purification tablets‚ rope. After that explain. Sixth slide- Explain Fire. With matches and torches you can make a fair. Fire is very important‚ because with fire you cook food and protect yourself from
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REPRODUCTION - Spawns on a new and full moon during the summer season. - The eggs are laid at the surface. - They spawn up to 8 times in a season. - Eggs hatch on the successive moon tide. - Eggs can be found on the shells on ribbed muscle shells‚ leaves of marsh grasses‚ in pits dug out and covered by the female‚ or spread directly on the bottom. -Externally fertilized -They can release up to 460 eggs. - They are found swimming in schools after birth. DESCRIPTION -Belongs to a group
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Fever Dengue fever‚ a very old disease‚ has reemerged in the past 20 years with an expanded geographic distribution of both the viruses and the mosquito vectors‚ increased epidemic activity‚ the development of hyperendemicity (the co circulation of multiple serotypes)‚ and the emergence of dengue hemorrhagic fever in new geographic regions. In 1998 this mosquito-borne disease is the most important tropical infectious disease after malaria‚ with an estimated 100 million cases of dengue fever‚ 500‚000
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including humans. This is a tropical disease caused by a parasitic round worms known as microfilariae that enter the blood. Genus involved include Wolbachia‚ Wuchereria and Brugia. For humans to get this disease they must usually get bitten by a mosquito‚ which acts as the host and vector for three species Wuchereria a bancrofti (most common 90%)‚ B timori‚ and Brugia malayi. History This disease has been documented in ancient text by Ancient Greek and Roman scholars. They noted the similarities
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‘The Dangers of Dengue Fever and How to Keep You Compound Dengue Free’. Dengue is the most common viral illness around the world caused by a small mosquito. Regrettably‚ it can lead to serious medical problems like dengue. To make the picture clearer‚ dengue fever is not caused by every mosquito. In fact‚ it is caused by the Aedes aegypti mosquito which carries a deadly virus. An infected person might have a high chance of developing high fever‚ rashes‚ feel nausea and experience muscle and joint
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