The World Health Organization said its immunology team has yet to receive crucial information from the company about its coronavirus vaccine trial results.

WHO’s Department of Immunization, Vaccines, and Biologicals needs access to full clinical trial results for the vaccine developed by AstraZeneca and researchers at the University of Oxford. Dr. Katherine O’Brien, director of the Immunization, Vaccines, and Biologicals department said at the Friday media briefing that “what we have seen is a press release.”