Since the Covid-19 pandemic swept across the world more than two years ago, more than 4.5 billion people worldwide have become fully vaccinated. Now, more and more people are concerned about the effects on the body of the spike proteins, which are contained in the vaccines. Is spike protein in fact the cause of their long Covid syndrome?
The spike protein, also known as the S protein, is the largest structural protein in the SARS-CoV-2 virus that causes Covid-19. It is a large structure that protrudes from the surface of the virus.
When the pandemic first started to spread, people’s understanding of the spike protein was very limited. It was thought that the spike protein only played the role of binding to the ACE (angiotensin-converting enzyme) receptors and helping the virus invade cells. However, scientists have slowly discovered that the effects of this protein are multifaceted, and it interacts with other cellular tissues beside the ACE2 receptors.
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