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Exposure to common cold virus can help fight Covid-19

Date: 21 June 2021 Tags: Miscellaneous


A new research has found that exposure to rhinovirus could provide protection against the Covid-19 infection.



The rhinovirus is the most common reason for common cold. This virus has characteristics similar to SARS CoV-2 virus that causes Covid-19.



  • The virus causing common cold has the ability to start the activity of genes that stimulate interferon.

  • The interferons are molecules that develop during earliest phase of an infection and prevent replication of SARS CoV-2 virus in respiratory tracts.

  • This initial response generated by interferons is very critical for preventing infection and threat from getting amplified.

  • The researchers suggest that, patients should be treated with the interferon proteins so that they can act as a defensive mechanism.


The study

  • The research team artificially infected human tissues with SARS CoV-2 virus. In the initial three days, the viral load doubled every six hours.

  • The replication process of virus was completely stopped in those tissues that were earlier exposed to rhinovirus.

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