A new study provides evidence that the seasonal colds you've had in the past could protect you from COVID-19. The study also suggests that immunity to COVID-19 is likely to last a long time -- maybe even a lifetime.
The study, published in #mBio, is the first to show that the COVID-19-causing virus, SARS-CoV-2, induces memory B cells, long-lived immune cells that detect pathogens, create antibodies to destroy them and remember them for the future. The next time that pathogen tries to enter the body, those memory B cells can hop into action even faster to clear the infection before it starts.
Because memory B cells can survive for decades, they could protect COVID-19 survivors from subsequent infections for a long time, but further research will have to bear that out.
Can we depend on this study?
Yes!
Please see the link below.
https://www.news-medical.net/news/20200929/Common-cold-in-the-past-may-provide-some-protection-from-COVID-19.aspx
Have a look at this useful link.
https://www.nih.gov/news-events/nih-research-matters/immune-cells-common-cold-may-recognize-sars-cov-2
Also go through the following links.
https://www.the-scientist.com/news-opinion/does-the-common-cold-protect-you-from-covid-19--67792
https://www.scientificamerican.com/article/could-exposure-to-the-common-cold-reduce-the-severity-of-covid-19-infection/
Immunity to common cold viruses is not thought to be very long-lasting for people, regardless of age, so it is debatable how durable a protective effect would be.
Read in detail through source link;
https://www.the-scientist.com/news-opinion/does-the-common-cold-protect-you-from-covid-19--67792
Whilst influenza and coronaviruses are unrelated. It would be interesting to note whether prior exposure to a coronavirus is protective against SARS-CoV-2 or COVID-19. Saudi Arabia, the epicentre of MERS-CoV, another coronaviral disease has had relatively low mortality from COVID-19.
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