期刊
PATHOGENS
卷 11, 期 4, 页码 -出版社
MDPI
DOI: 10.3390/pathogens11040390
关键词
SARS-CoV-2; COVID-19; long COVID; post-acute COVID-19 syndrome; reinfection; coronavirus; neuroinvasion; superantigen
类别
SARS-CoV-2 may contain a unique superantigen-like motif that can cause an overreaction of the immune system. It is crucial to conduct research to understand the impact of a widely circulating superantigenic pathogen and to develop vaccination and public health policies to protect against repeat exposure to the pathogen.
It has been posited SARS-CoV-2 contains at least one unique superantigen-like motif not found in any other SARS or endemic coronaviruses. Superantigens are potent antigens that can send the immune system into overdrive. SARS-CoV-2 causes many of the biological and clinical consequences of a superantigen, and, in the context of reinfection and waning immunity, it is important to better understand the impact of a widely circulating, airborne pathogen that may be a superantigen, superantigen-like or trigger a superantigenic host response. Urgent research is needed to better understand the long-term risks being taken by governments whose policies enable widespread transmission of a potential superantigenic pathogen, and to more clearly define the vaccination and public health policies needed to protect against the consequences of repeat exposure to the pathogen.
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