Tag: nasal
-
COVID-19 nasal spray fails in trial by Oxford University and AstraZeneca
The drive to develop a nasal spray against COVID-19 infection suffered a setback Tuesday after AstraZeneca and Oxford University said a trial produced disappointing results. Only a “minority of participants” produced an antibody response in their nasal passages and protection was generally weaker than standard COVID-19 shots developed by Oxford researchers and the drugmaker, the…