COVID-19

Seasonal Coronavirus Specific Antibodies and The Severity of COVID-19

Seasonal Coronavirus Specific Antibodies and The Severity of COVID-19

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Original antigenic sin

Cross-reactivity

Severe COVID-19 patients display a back boost of seasonal coronavirus-specific antibodies

Less severe course of COVID-19 is associated with elevated levels of antibodies against seasonal human coronaviruses OC43 and HKU1 (HCoV OC43, HCoV HKU1)

How antigenic sin reduces the innate response?

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