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Memory T -Cells and its correlation with novel coronavirus

  Sep 05, 2020

Memory T -Cells and its correlation with novel coronavirus

Q. What is the news?

A. At least six papers published in reputable journals — Cell, Nature, Science, and Science Immunology — have found that 20­50% of people who have not been infected with novel coronavirus (SARSCoV­2) harbour memory T cells derived from previous exposures to common cold coronaviruses. 

The memory T cells were found to cross-react with SARS­CoV­2. 

Q. Do the presence of memory T-Cell prevent infection from novel coronavirus?

A. According to various studies, Memory T cells may only reduce COVID­19 severity. 

The immune cells may mount a faster and stronger response upon exposure to the SARS-CoV-2 virus, but not totally prevent infection.

Q. What is T-Cell?

Q. Why are they called memory cells?

Q. How do they control immunity?

Q. What are vaccination correlation with T cells?

Q. What might be Its drawbacks?