The COVID-19 vaccine developed by Oxford University and AstraZeneca is not likely to be authorized for emergency use in the United States until April 2021, Operation Warp Speed’s chief scientific adviser Moncef Slaoui said Wednesday. “We project, if everything goes well, that the readout and emergency use authorization may be granted somewhere early in the month of April,” Slaoui told reporters during a briefing with senior officials on the nation’s COVID-19 vaccine program. Slaoui previously signaled that he expected an emergency authorization for the British drugmaker’s COVID-19 vaccine could come in February. The United States has so far purchased 300 million doses of the Oxford jab against the CCP (Chinese Communist Party) virus. Currently, vaccines developed by Pfizer and German firm BioNTech, and Moderna and National Institute of Allergy and Infectious Diseases, are being rolled out across the country following FDA approval. Trump administration officials had said they projected 20 …