A few molecularly proven severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) cases of symptomatic reinfection are currently known worldwide, with a resolved first infection followed by a second infection after a 48 to 142-day intervening period. We report a multiple-component study of a clinically severe and prolonged viral shedding coronavirus disease 2019 (COVID-19) case in a 17-year-old Portuguese female. She had two hospitalizations, a total of 19 RT-PCR tests, mostly positive, and criteria for releasing from home isolation at the end of 97 days. The viral genome was sequenced in seven serial samples and in the diagnostic sample from her infected mother. A human genome-wide array (>900 K) was screened on the seven samples, and in vitro culture was conducted on isolates from three late samples. The patient had co-infection by two SARS-CoV-2 lineages, which were affiliated in distinct clades and diverging by six variants. The 20A lineage was absolute at the diagnosis (shared with the patient’s mother), but nine days later, the 20B lineage had 3% frequency, and two months later, the 20B lineage had 100% frequency. The 900 K profiles confirmed the identity of the patient in the serial samples, and they allowed us to infer that she had polygenic risk scores for hospitalization and severe respiratory disease within the normal distributions for a Portuguese population cohort. The early-on dynamic co-infection may have contributed to the severity of COVID-19 in this otherwise healthy young patient, and to her prolonged SARS-CoV-2 shedding profile.
Background School students are an attractive target for stroke education due to the potential impact on stroke prevention and recognition. Additionally, these students can drive behavioral changes in their families. Aim To evaluate the impact of stroke education on school students, in terms of students' and parents' acquired stroke knowledge. Methods A structured questionnaire on knowledge of stroke was filled out by eighth-grade students and one of their parents in seven public schools. In four of these schools, students attended a stroke lecture; educational flyers and magnetic posters were distributed and parent education was encouraged. Students and parents of the other three schools were included in a control group. Students and parents, of both intervention and control groups, were resubmitted to the initial structured questionnaire within one week of the stroke lecture and three months later. Results We included 764 students and 344 parents, 383 (50.1%) and 210 (61.0%) in the intervention group. Correct test scores for students before, within one week, and three months after the intervention were 54.49% versus 55.03% (p = 0.418), 98.69% versus 60.89% (p < 0.001), and 95.58% versus 75.7% (p < 0.001) in the intervention and control groups, respectively. Correct test scores for parents at the same time points were 68.78% versus 64.47% (p = 0.107), 96.89% versus 71.42% (p < 0.001), and 94.58% versus 76.54% (p < 0.001) in the intervention and control groups, respectively. Conclusions School-based interventions may improve stroke knowledge in middle school students and their parents.
Background: Candidemia is a nosocomial infection of increasing importance, associated with high morbidity and mortality. The aim of this study is to describe the species distribution, risk factors, management and outcomes of patients with candidemia.
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