Covid Re-infection

Recurrent COVID-19 reinfection and re-emergence of a chronic infection reservoir?, a Brazilian study

Recurrent COVID-19 including evidence of reinfection and enhanced severity in thirty Brazilian healthcare workers Highlights We describe 33 patients with recurrent COVID19 and a positive PCR. Recurrence is associated with working as a healthcare professional, blood-group A, and low IgG response to infection. Evidence from differential virus sequencing between the first and second episode supports de …

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Disease severity during SARS-COV-2 reinfection: a nationwide study

Highlights SARS-CoV-2 reinfections are associated with a lower risk of death than first infections. Prior infection and immunization both protect against severe disease at reinfection. Age sex and comorbidities are the main risk factors for illness severity at reinfection. Different results in populations at risk of COVID-19 complication and not at risk. Results Deaths reported …

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