JF Ludvigsson et al NEJM 2021; 384: 669-671. Full text: Open Schools, Covid-19, and Child and Teacher Morbidity in Sweden In this letter to the editor, the authors report on outcomes in Sweden, which kept schools open during the pandemic; time period: from March 1-June 30, 2020 (schools end around June 10th). Key findings:

• Among 1-16 years of age (~1.95 million in total), 15 required ICU admission; there were no deaths in this age group
• “Fewer than 10 pre-school teachers [1-6 years] and 20 schoolteachers received ICU care up to June 30, 2020.” Excluding health care workers, the occupational risk was similar to other occupations, with relative risk of 1.10 (0.49-2.49, 95% CI) and 0.43 (0.28-0.68, 95% CI) for preschool and school teachers respectively.

My take: This study suggests that school teachers are at similar risk for COVID-19 infection as other essential workers. In Sweden, during this timeframe, distancing but not masking was recommended. Thus, transmission rates could be lowered further.

Related article: SR Kadire et al. NEJM 2021; 384: DOI: 10.1056/NEJMclde2101987. Full text: Delayed Second Dose versus Standard Regimen for Covid-19 Vaccination This article provides rationale for both vaccine options.

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