After the initial infection has subsided, white blood cells called memory T and B cells will retain a memory of the pathogen, or at least certain parts of its structure. These immune proteins stick to specific parts of the pathogen and contribute to its destruction. When our body is attacked by a pathogen, such as a virus or bacterium, it launches an immune response that involves antibodies. Proteins present in bacteria, human cells, vaccines, and even foods may all share similarities with those in SARS-CoV-2.The researchers behind this latest study hypothesized that similarities between SARS-CoV-2 and other common proteins may affect our susceptibility to the virus. However, it actually shares features with many existing biological molecules.Īs a member of the coronavirus family, SARS-CoV-2 shares many characteristics with other viruses, but the similarities don’t end there. SARS-CoV-2 is new, and the pandemic can make it feel like an alien invader from another planet. The study paves the way for new immunotherapies or vaccines that lead to stronger immunity against Covid-19. As such, exposure to these proteins may train our immune system to respond when it encounters the virus. These agents all contain proteins that are similar to those found in SARS-CoV-2. A recent study in open-access journal F rontiers in Immunology finds that common foods, vaccines, bacteria and viruses may all prime our immune system to attack SARS-CoV-2, the virus that causes Covid-19. Why do some people become seriously ill with Covid-19, while others have no symptoms at all? The answer may lie in the proteins our immune system has previously been exposed to. The results suggest that exposure to such agents may confer some protective immunity to Covid-19, but further research is needed to confirm this. The researchers found that antibodies that bind SARS-CoV-2 can also bind to proteins in certain foods, viruses, vaccines, and common bacteria. A new study has investigated the potential of proteins in common foods to elicit protection against SARS-CoV-2.
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