 RALEIGH, N.C., Feb. 04, 2021 GLOBE NEWSWIRE -- PRA Health Sciences, Inc. NASDAQ: PRAH will release its fourth quarter and full year 2020 results after the market closes on Thursday, February 25, 2021. The Company will also host a conference call on Friday, February 26, 2021 at 9:00 a.m. ET to discuss the results with members of the investment community. 