Attempts by Oxford University researchers and AstraZeneca Plc to create a nasal\u002Dspray version of their COVID\u002D19 shot suffered a setback.
An antibody response in the respiratory mucous membranes was seen in only a minority of participants in the trial, which was in the first of usually three phases of clinical testing, the University of Oxford said in a statement on Tuesday.From our newsroom to your inbox at noon, the latest headlines, stories, opinion and photos from the Toronto Sun.By clicking on the sign up button you consent to receive the above newsletter from Postmedia Network Inc.
Researchers across the world have placed high hopes on nasal spray vaccines against the coronavirus because the method is believed to potentially prevent infection and not just disease as it may prompt an immune response directly in the airways, where the virus enters the body.RECOMMENDED VIDEO
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