?:abstract
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The coronavirus disease 2019 (COVID 19) pandemic continues to cause morbidity and mortality Since severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) was identified as the cause for COVID 19, some have questioned whether exposure to seasonal common cold coronaviruses (CCCs) could provide tangible protection against SARS-CoV-2 infection or disease In this issue of the JCI, Sager, et al examined SARS-CoV-2 infections and outcomes from patients previously tested for CCC as part of a comprehensive respiratory panel using PCR and were segregated into negative (CCC-) or positive (CCC+) exposure No differences were seen between groups in terms of susceptibility to SARS-CoV-2 infection However, hospitalized patients with a documented history of CCC+ infection had lower rates of ICU admissions and higher rates of survival than hospitalized CCC- patients While these findings are associative and not causative, they highlight evidence suggesting that previous CCC+ infection may influence the disease course of SARS-CoV-2 infection
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The coronavirus disease 2019 (COVID 19) pandemic continues to cause morbidity and mortality. Since severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) was identified as the cause for COVID 19, some have questioned whether exposure to seasonal common cold coronaviruses (CCCs) could provide tangible protection against SARS-CoV-2 infection or disease. In this issue of the JCI, Sager, et al. examined SARS-CoV-2 infections and outcomes from patients previously tested for CCC as part of a comprehensive respiratory panel using PCR and were segregated into negative (CCC-) or positive (CCC+) exposure. No differences were seen between groups in terms of susceptibility to SARS-CoV-2 infection. However, hospitalized patients with a documented history of CCC+ infection had lower rates of ICU admissions and higher rates of survival than hospitalized CCC- patients. While these findings are associative and not causative, they highlight evidence suggesting that previous CCC+ infection may influence the disease course of SARS-CoV-2 infection.
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