Are SARS-CoV-2 reinfection and Covid-19 recurrence possible? a case report from Brazil

Abstract With the large number of individuals infected and recovered from Covid-19, there is intense discussion about the quality and duration of the immunity elicited by SARS-CoV-2 infection, including the possibility of disease recurrence. Here we report a case with strong clinical, epidemiological and laboratorial evidence of, not only reinfection by SARS-CoV-2, but also clinical recurrence of Covid-19.

摘要：随着大量感染新冠肺炎（COVID-19）并康复的个体数量激增，学界围绕新型冠状病毒（SARS-CoV-2）感染诱发的免疫力的质量与持续时长，包括疾病复发的可能性，展开了广泛深入的讨论。本研究报道一例兼具确凿临床、流行病学与实验室证据的病例，该病例不仅发生了新型冠状病毒再感染，同时出现了新冠肺炎（COVID-19）的临床复发。