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Sunday, April 11, 2021

Exposure to common cold viruses may help body identify and fight COVID-19?

The Coronavirus Pandemic has gripped the entire globe and how. While COVID-19 has claimed over 7 lakh lives all over the world, it has left more than 20 lakh people infected in India alone. While the people continue their battle against the deadly disease, scientists and doctors across the nations have been working relentlessly to find ways to fight the novel coronavirus. Not to forget, it has been more than six months after the COVID-19 outbreak in China’s Wuhan. Albeit, there is no cure for the disease still.

Now in a recent development, a recent study claims that exposure to Common cold viruses can help a person’s body to identify and fight the COVID-19 disease as well. Reportedly, the immune system’s memory helper, T cells, which recognize common cold-causing coronaviruses and help the body fight them, are also able to identify some parts of the SARS-CoV-2.

According to research, published in the journal Science, the link between the two is why some people have milder symptoms of COVID-19 than others. In fact, the T cells fight off the repeat invaders more efficiently. The study further adds that 40 to 60 percent of people never exposed to SARS-CoV-2 had T cells that reacted to the virus. Hence, their immune systems identified the fragments of Coronavirus. If the study turns out to be absolutely true, the less harmful common cold viruses can lead to immune memory against SARS-CoV-2.

India's quest for a COVID-19 vaccine

Meanwhile, a decoy protein may help fight COVID-19

Interestingly, scientists have also come up with a protein that can act as a decoy to lure the SARS-CoV-2 away from the body’s ACE2 receptors, which in fact facilitate the entry of SARS-CoV-2 into our cells and then in the normal respiratory system. For those of you who are wondering, a virus must first bind to a receptor protein on the surface of the human cell in order to infect it. Similarly, SARS-CoV-2 binds to a receptor called ACE2.

Now as per the study, researchers describe the newly-engineered decoy protein that can serve as a potential therapeutic agent. That means that by administering the decoy protein, one might neutralize the infection and also lead to an additional benefit of rescuing lost ACE2 activity.

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