Prelims level : Science & Technology Mains level : GS-III Science & Technology - Awareness in the fields of it, Space, Computers, Robotics, Nano-Technology, Bio-Technology, Pharma Sector & Health Science
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  • Norovirus infection was confirmed in two schoolchildren in Ernakulam district of Kerala.


  • Norovirus is a contagious virus that is also called the “winter vomiting bug”.
  • Norovirus is an RNA virus belonging to the family Caliciviridae.
  • It is a human enteric pathogen that causes acute gastroenteritis.
  • The most common symptoms caused due to Norovirus include diarrhoea, vomiting, nausea and stomach pain.
  • Norovirus mainly spreads through faecal-oral routes such as:
  • Direct contact with an infected person
  • Consuming contaminated water or food
  • Touching contaminated surfaces and using unwashed hands
  • According to the World Health Organization (WHO), norovirus can infect anyone.
  • Since the Norovirus genus comprises viruses that infect humans, pigs, cattle, and mice, the possibility of zoonotic transmission of infection exists.
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