Vector Borne Diseases

Vector-borne diseases which are human illnesses caused by parasites, viruses and bacteria that are transmitted by vectors. Every year there are quite 700,000 deaths from diseases like malaria, dengue, schistosomiasis, human African trypanosomiasis, leishmaniasis, Chagas disease, yellow jack , Japanese encephalitis and onchocerciasis.The burden of those diseases is highest in tropical and subtropical areas, and they disproportionately affect the poorest populations. Since 2014, major outbreaks of dengue, malaria, chikungunya, yellow jack and Zika have afflicted populations, claimed lives, and many others overwhelmed health systems in many countries. Other diseases such as Chikungunya, leishmaniasis and lymphatic filariasis cause chronic suffering, life-long morbidity, disability and occasional stigmatisation.Distribution of vector-borne diseases is decided by a posh set of demographic, environmental and social factors. Global travel and trade, unplanned urbanization. Vector-borne diseases account for quite 17% of all infectious diseases, causing quite 700 000 deaths annually. They can be caused by either parasites, bacteria or viruses.Malaria may be a parasitic infection transmitted by Anopheline mosquitoes. It causes an estimated 219 million cases globally, and results in more than 400,000 deaths every year. Most of the deaths occur in children under the age of 5 years.Dengue is the most prevalent viral infection transmitted by Aedes mosquitoes. More than 3.9 billion people in over 129 countries are at risk of contracting dengue, with an estimated 96 million symptomatic cases and an estimated 40,000 deaths every year.    

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