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Crap.... (OAS and OC43); entered at 2022-08-04 11:41:08

Ponzi_unit
Posts: 11928
Registered: 2007-09-05

It's been over a year now and with the help of this forum topic thread and now this recent study I am starting to understand more and I've reached the frightening realization that people who you believed to have much higher intellect than oneself are being ****ing stupid.

Quote:

https://insight.jci.org/articles/view/14....

A majority of uninfected adults show preexisting antibody reactivity against SARS-CoV-2

There are 4 circulating coronaviruses predating COVID-19 that cause up to 30% of seasonal upper respiratory tract infections (8). The spike proteins of β-coronaviruses HKU1 and OC43 exhibit approximately 40% sequence similarity, whereas the α-coronaviruses NL63 and 229E exhibit approximately 30% structural similarity with SARS-CoV-2 (9). The common occurrence of circulating coronaviruses year after year and their structural similarity with SARS-CoV-2 raises the possibility that the former may stimulate cross-reactive responses toward SARS-CoV-2 and that this heterotopic immunity may impact clinical susceptibility to COVID-19 and/or modulate responses to the SARS-CoV-2 vaccine (10, 11).

2022-08-04 11:41:08