Oak processionary posed a health threat. In April 2018, an outbreak of the caterpillars was reported across Greater London and surrounding areas. The moth is now fairly common in Belgium, notably in the Campine but also elsewhere, with fluctuating population numbers from year to year. In 2007 infestations in the Belgian province of Limburg were so acute that soldiers were deployed to burn them. In the Netherlands, the caterpillars are dealt with by biological pest control. Local authorities use, like in Germany, fluids containing bacteria that are toxic only to the caterpillars. These fluids are sprayed onto the infected trees. Furthermore, an
Canadian Science Centre for Human and Animal Health major teaching hospital) and the University of Manitoba's medical school. The City of Winnipeg transferred the title for $1. Construction of the facility that came to be named the Canadian Science Centre for Human and Animal Health (often referred to locally as "the Virology Lab") began with an official groundbreaking in December 1992. The design team, headed by the Winnipeg-based Smith Carter Architects and Engineers Inc., visited laboratories around the world to seek best practices in containment and design. Construction finished toward the end of 1997, with the first programs beginning in the spring of 1998 following an extensive commissioning