Significance of 21-day lockdown period

  • IASbaba
  • March 26, 2020
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Significance of 21-day lockdown period

Part of: GS Prelims and GS-II- Governance; Health; GS III – Disaster Management; Science and Technology

In News: 

  • Indian Prime Minister recently announced 21-day lockdown period in the entire country to contain the COVID- 19 pandemic.

Key Takeaways:

  • 21­day quarantine was encouraged extensively during Ebola crisis as well.
  • The calculations are based on the estimated incubation period of the virus in the human host. 
  • Usually, incubation period for any infection is 14 days epidemiologically.
  • Another week is added to ensure that the infection dies out and the host is entirely safe.
  • Since, this is a novel corona virus, the scientists have estimated the time between entry of virus to the onset of infection, falls within this period, known as median incubation period.
  • It was also recently reported that the median incubation period for COVID­19 is just over five days.
  • 97.5% of people who develop symptoms do so within 11.5 days of infection. 
  • This is the most effective way of preventing the spread of infection.
  • Maintaining personal hygiene and practising personal distancing are other ways of prevention.

Important value additions:


  • Ebola virus disease (EVD) is also known as Ebola haemorrhagic fever.
  • It is viral haemorrhagic fever of humans and other primates caused by ebolaviruses. 
  • The virus causes severe bleeding, organ failure and can lead to death.
  • Humans may spread the virus to other humans through contact with bodily fluids such as blood.


  • Quarantine is a restriction on the movement of people and goods which is intended to prevent the spread of disease or pests.

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