PPD tests are also commonly recommend for people who work in homeless shelters, hospitals, prisons or nursing facilities. "Healthcare workers are routinely screened as part of occupational health ...

Medical device maker Thermo Fisher Scientific Inc (TMO.N) said on Thursday it would acquire contract researcher PPD Inc (PPD.O) for $17.4 billion as it looks to add more muscle to its ...

Thermo Fisher Scientific’s PPD clinical research business, which is based in Wilmington, was awarded a five-year contract to provide regulatory affairs support and related services for the NIH ...