EU, WHO launch new tool for contact tracing By IANS | 0 Views Poland to further relax restrictions (. Image Source: IANS News Brussels, June 29 : The European Center for Disease Prevention and Control (ECDC) and the World Health Organization (WHO) have developed a tool to evaluate the public health effectiveness of contact tracing solutions, according to a statement. The tool, described as an indicator framework, will provide countries with a standardised approach for evaluating their use of digital proximity tracing solutions, Xinhua news agency quoted the ECDC statement issued on Monday as saying. It will also assess the extent to which these solutions have aided national contact tracing strategies for Covid-19, the statement noted.