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In conclusion, closure or not of schools has had little if any impact on the number of laboratory confirmed cases in school aged children in Finland and Sweden. The negative effects of closing schools must be weighed against the positive effects, if any, it might have on the mitigation of the covid-19 pandemic.

This report presents an analysis of COVID-19 vaccine effectiveness (VE) after a fourth dose in relation to SARS-CoV-2 infection and severe outcomes due to the omicron variant among persons aged 65 years and older in Sweden.

This report describes the monitoring and surveillance systems for influenza in use during the 2024–2025 winter season and the results of both epidemiological and virological surveillance. Data are also compared to previous influenza seasons. See also the tables and figures section as well as the

This report describes the monitoring systems for influenza in use during the winter season of 2020–2021 and the results of both epidemiological and virological surveillance. Data are also compared to previous influenza seasons.

This report describes epidemiological and virological surveillance results for the influenza season of 2022–2023 in Sweden. Data are also compared to previous influenza seasons.

The General-Directorate of Health, an organisation within the Ministry of Health, is leading the transfer and adaptation of the Swedish PAP in the country's national health system, namely in the primary healthcare settings.

This report describes the monitoring systems for influenza in use during the winter season of 2019–2020 and the results of both epidemiological and virological surveillance. Data are also compared to previous influenza seasons. The report has been prepared for the World Health Organization (WHO)

This report is primarily written for health care professionals, particularly those working in maternal and child health care, school health care, primary care, and those working in the counties’ Departments of Communicable Disease Control and Prevention as well as public health officials and

This report describes the monitoring systems for influenza in use during the winter season of 2021–2022 and the results of both epidemiological and virological surveillance. Data are also compared to previous influenza seasons.

This report describes epidemiological and virological surveillance results for the 2023-2024 influenza season in Sweden. Data are also compared to previous influenza seasons.