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Bleeding disorders are conditions in which the blood does not clot properly due to a problem in the blood coagulation process. This may be caused by missing or reduced clotting factors or by platelets that do not function normally. As a result, people can experience frequent or severe bleeding, sometimes even without injury. The most common bleeding disorders are haemophilia A, haemophilia B, and von Willebrand disease. Symptoms can vary widely between people, from mild to severe. Without proper treatment, bleeding can lead to long-term complications, such as joint damage.

The objective of ILI_NH is to signal and monitor start, duration and intensity of influenza-like illness or ILI (including COVID-19) waves/appearances among nursing homes (NH) residents to optimize and support provided health-care, -planning, -management and -policies. In addition, ILI_NH monitors locally circulating virus types/subtypes or lineages/sub-lineages and their relationship to global and regional patterns. We have an aggregated dataset on NH level with ILI-cases, ILI-related hospital admissions, and deaths in NH, for the whole season.

The Royal Decree of 19/06/2007 concerning hospital hygiene surveillance mentions the obligation for acute hospitals to collect quality indicators relating to the hospital hygiene policy in the establishment. The purpose of a quality indicator system is to trigger actions to improve the quality of care: "what we cannot measure, we cannot improve". The development and validation of quality indicators in hospital hygiene was carried out by a working group involving the Institute of Public Health, BAPCOC and representatives of hospital hygiene platforms.