Health for Prelims

Japanese Encephalitis – UPSC Prelims

What is Japanese Encephalitis? Japanese encephalitis (JE) is a mosquito-borne flavivirus. It belongs to the same genus as dengue, yellow fever and West Nile viruses. The first case of JE was documented in 1871 in Japan. Target: JE primarily affects children. Most adults in endemic countries have natural immunity after childhood infection, but individuals of …

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Avian Influenza (H5N1) – UPSC Prelims

Bird flu, also known as Avian influenza (AI), is a highly contagious viral disease affecting several species of food-producing birds (chickens, turkeys, quails, guinea fowl, etc.) as well as pet birds and wild birds. Occasionally mammals, including humans, may contract avian influenza. Types of Influenza Viruses: Influenza viruses are grouped into three types; A, B, and C. Only type A is known …

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Zika – UPSC Prelims

Zika virus Disease is mosquito-borne virus transmitted by Aedes aegypti mosquitoes which also transmit three other vector-borne diseases Chikungunya, dengue and yellow fever. The virus belongs to family Flaviviridae and Genus Flavivirus. It was first identified in 1947 in Zika Forest, Uganda from where it derives its name. Now it is emerging disease currently being reported by 86 …

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