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Our immune systems can cope with Covid-19 – it's our politicians who can't
Key Excerpts from Article on Website of The Guardian (One of the UK's leading newspapers)
Posted: March 23rd, 2021
https://www.theguardian.com/commentisfree/2020/nov/15/immune...
A great deal of conflicting information has emerged about the immune response that develops in patients who have recovered from Covid-19. The good news is that we are unlikely to be reinfected with Sars-Cov-2 repeatedly until it eventually wipes us all out. Most of the evidence ... shows that the immune response to this is quite typical for an acute viral infection. Initially, the body ramps up high levels of IgG antibodies, but after the infection is cleared, those antibodies drop to a baseline level, which may be below the limit of detection of some serological tests. Most people who recover from Covid-19 have detectable neutralising antibodies months after infection. This suggests that Sars-Cov-2 infection does produce an immune response that is protective, at least for several months. Furthermore, antibodies are not the only important part of the immune system. T-cells are also a key component to the immune response. They come in two flavours: helper T-cells, which coordinate immune responses and facilitate immunological memory, and killer T-cells, which kill infected cells. Previous studies have shown that Sars-Cov-2 infection induces robust T-cell responses. Interestingly, some people who have never had Covid-19 have memory T-cells from prior common-cold coronavirus infections that cross-react with Sars-Cov-2, suggesting that there may be some existing protection in the population. T-cells alone are unlikely to provide complete immune protection, but they are a key contributor to immune memory.
Note: The author of this article, Angela Rasmussen, is a virologist and affiliate of the Georgetown Center for Global Health Science and Security. For more along these lines, see concise summaries of deeply revealing news articles on the coronavirus from reliable major media sources.