Confusion and administrative shakeup over infectious waste, circa 2003

Confusion and administrative shakeup over infectious waste, circa 2003

Around 2003, confusion persisted in the Japanese medical field over the handling of infectious waste. Although classifications based on the Waste Disposal and Public Cleansing Law existed, the criteria for on-site judgment were unclear, and there were many cases in which different medical institutions made different judgments. In particular, gauze with blood on it, intravenous drip sets, and packaging materials for surgical instruments could be classified as either infectious or non-infectious depending on the situation, and this was a major problem.

In the late 1990s, the problem of nosocomial infections became a social issue, and the medical field was in a situation of conflict between the decision to err on the side of safety and the decision to treat waste as normal waste in order to prioritize cost reduction. The worldwide outbreak of SARS in 2003 also contributed to a strong awareness of the importance of infection control.

Under these circumstances, the Ministry of the Environment decided to clarify the definition of infectious waste. While there are cases where blood adherence does not necessarily lead directly to high risk, waste materials from operating rooms are treated as infectious in principle, for example. Because of the ambiguity, there have been some dangerous cases in which hospitals disinfect waste materials themselves and turn them into ordinary waste, making the formulation of uniform standards an urgent necessity.

This effort became the starting point for today's risk classification system of medical waste management and is documented as an important turning point at the intersection of infectious disease control and waste administration.