Noro Virus

Noro Virus

Why in news :

  • Norovirus infection was confirmed in two schoolchildren in Ernakulam district.
  • The health authorities in Kerala stepped up efforts to contain its spread.

More about NoroVirus :


  • Norovirus, sometimes referred to as the winter vomiting disease, is the most common cause of gastroenteritis.
  • Infection is characterized by non-bloody diarrhea, vomiting, and stomach pain.
  • Symptoms usually develop 12 to 48 hours after being exposed, and recovery typically occurs within one to three days.
  • Norovirus is mostly spread through contaminated food and water.
  • Its symptoms are vomiting and/or diarrhoea, head and body aches.
  • Norovirus outbreaks are rarely serious, it can spread fast if proper precautions are not taken.
  • The virus spreads through the faecal-oral route.
  • Infection occurs either through direct consumption of contaminated food or via careless handling of food by an infected person or caregiver.
  • Prevention involves proper hand washing and disinfection of contaminated surfaces.
  • There is no vaccine or specific treatment for norovirus.
  • Alcohol-based hand sanitizers are not effective against the norovirus, this is due to norovirus being a non-enveloped virus.

Syllabus : Prelims + Mains; GS3 – Science and Technology