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Current Affairs

Covid re-infection risks for young

Date: 16 April 2021 Tags: Miscellaneous

Issue

The past infection to covid will not prevent re-infection in young people, according to a study published in Lancet.

 

Background

There was a belief that people infected by covid will not be getting re-infection. However, this belief has been falsified.

 

Details

  • The study was carried among healthy members of the US Marines Corps between the age group of 18-20 years.

  • In the course of study, about 10 percent of the participants who were earlier infected with virus got re-infected.

  • The study however is not universal as it was conducted in marines who live in congested areas and have a high chance of infection.

  • A similar study in Britain also found that individuals not previously infected had a five times higher risk of getting the infection in comparison to those who were previously infected.

 

Observations

  • The study suggests that natural anti-bodies formed during infection will not guarantee complete protection from covid.

  • To boost the chances of immunity, it is necessary to take vaccine. It will enhance the antibody count to tackle the infection.

 

Reasons

  • Individuals who became re-infected had lower antibody levels against the SARS-CoV-2 virus than those who did not become re-infected. Neutralising antibodies were also low.

  • The viral load among re-infected individuals was about 10 times lower than those who were infected for the first time. Re-infected individuals can still transmit the infection.