CINCINNATI--(BUSINESS WIRE)--Radiant Research, Inc. today announced that it is actively recruiting subjects and establishing operational plans for upcoming H1N1 vaccine trials. The World Health Organization declared the H1N1 influenza outbreak a pandemic, and the CDC has shipped virus samples to several manufacturers with the hope of having vaccine available to the general public by the fall. Manufacturers will need to complete clinical trials prior to release of vaccine to the public.