Multiple choice

‘Yellow fever’ is an acute viral haemorrhagic disease. It is caused by

  1. Flavivirus

  2. Schistosoma japonicum

  3. Ebola virus

  4. Salmonella typhi

  5. Rickettsia typhi
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A Correct answer
Explanation

Yellow fever is known historically as yellow jack and is an acute viral haemorrhagic disease. The virus is 40 to 50 nm long, enveloped, positive-sense RNA virus. It is the first human virus discovered and the namesake of the genus Flavivirus of the family Flaviviridae.

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