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
Health human resources of increasing debate on international health worker recruitment, especially in some higher income countries, and its impact on the ability of many developing countries to deliver primary health care services. Although non-binding on the Member States and recruitment agencies, the Code promotes principles and practices for the ethical international recruitment of health personnel. It also advocates the strengthening of health personnel information systems to support effective health workforce policies and planning in countries. Health human resources Health human resources (HHR) – also known as human resources for health (HRH) or health workforce – is defined as "all people engaged in