Coronavirus: how our immune system ages and how we can stop this process

  • Laura Plitt
  • BBC World News

19 minutes


The immune system is what defends our body from the virus.

The immune system has taken on an unexpected role in the midst of the covid-19 pandemic.

It is not for less. This complex network of cells, tissues and organs is the main weapon our body has to defend itself against SARS-CoV-2, the new coronavirus that causes this disease.

Like any other part of the body, the immune system ages over the years, leaving us more vulnerable to infections, cancer, and all kinds of diseases.

This is one of the reasons – in addition to the prevalence of pre-existing diseases – why people over the age of 65 are at greater risk of contracting COVID and developing a more virulent form of the disease.

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